Fenben fever

FenbenI’ve started using a de-wormer commonly used for horses, goats, dogs, cats and tropical fish. It’s called fenbendazole and how I happened on it is a strange story. When I started liver flushing and began seeing all kinds of weird things in the toilet, someone suggested I join the Facebook group called Morgellons Support Science so that I could get help identifying the weird things.

It turns out that Steve, the creator of that group, is a guy who cured himself of Morgellons by taking fenbendazole and has been teaching others in the group. It has over 2,000 members many of whom have reported life-changing improvements in their health.

FacebookWhen I arrived in the group and realized they were taking Safe-Guard, a product you get in ag supply stores and Petsmart – I thought to myself “no way! I’m desperate, but not that desperate…” and I put that idea in my back pocket for when I ran out of other good ideas.

That was before I tested positive for Strongyloides. And a funny thing happened when I started researching the best treatment for Strongyloides – I found a lot of people are using Fenben for it. The more I read, the more I became convinced Fenben was my ticket.

And in fact, yesterday I started taking a variety sold for treating tropical fish. I’m going to try to organize all the questions about Fenben that I’ve been researching in an easy-to-read format. I think this is worth doing because right now the online information is very scattered.

What is fenbendazole?

Fenbendazole is a benzimidazole anthelmintic (kills worms large enough to be visible) and it has a broad spectrum (kills a wide variety of critters). It’s a compound with a wide safety margin. For example, when they tested very large doses on cats, they found no detectable side effects. Its chemical formula is C15H13N3O2S.

How does fenbendazole kill parasites?

Fenben’s safety for humans stems from its mode of action –  it binds to 3-tubulin astructural protein that blocks polymerization of tubulin into microtubules. Got that? Apparently the English translation is – it damages the the transport function of cells in parasites. I take it to mean that it paralyzes them and causes them to starve to death rather than poisoning them.

And the safety part is this – it has an affinity for parasitic tubules rather than mammalian tubules.

They say you don’t experience die-off reactions with Fenben – no herxing. I’m a little skeptical of that and will get to that further on.

Is it absorbed into your bloodstream?

I’ve read that Fenben is minimally absorbed when given orally, and that what is absorbed is metabolized in your liver to oxfendazole sulfoxide and sulfone. Fenbendazole leaves your body in the feces and urine.

Why is fenbendazole not sold for humans?

I haven’t been able to turn up any good information here. There is a draft study by the FDA showing a test in humans which revealed no side effects but it looks like they administered a single dose which is pretty useless. They did do quite a bit of study on animals and found an increased incidence of tumors in female rats given high doses. At the same time they cite 5 mg per kilogram as a safe dose in their long-term rat toxicity / carcinogenicity study.

This is what they said about humans:

Five healthy male subjects were given oral doses of 300 mg fenbendazole with breakfast, and 6 healthy male subjects were given 600 mg fenbendazole 12 hours after their last meals. Serum concentrations were monitored. The following parameters were evaluated: Blood pressure, pulse rate, symptom list and self-rating scale, and clinical chemistry values. Serum values were detected in 2/5 subjects receiving fenbendazole with a meal and 0/6 subjects receiving fenbendazole without food. No relevant changes were established in the subjects.

After studying the FDA history with DMSO, I’d say they’re pretty much clowns, so I don’t put much stock in whether or not they’ve approved a particular drug.

Side note: because I use DMSO, I found it interesting that fenbendazole dissolves easily in DMSO.

How safe is fenben?

Toxicity is measured  by LD50 – the dose that is lethal to 50% of a population. Apparently, it was difficult to establish an LD50 for rodents because even 10,000 times the normal dose would not consistently kill mice or rats.

Fenben is considered the safest of the hundreds of benzimidazole derivatives that exist (its cousins). Unlike many of the cousins, it doesn’t cause birth defects either. Personally, I find it reassuring that Fenben has been studied as a cancer cure.

Still, I’m going to have my doctor monitor my liver enzymes.

You’ll notice this is not a footnoted research paper, so please do your own research to confirm what my quick and dirty research turned up.

Besides killing parasites, what else does fenbendazole do?

Remember that tubulin protein stuff that Fenben binds to? There’s a related protein called FtsZ which is involved in the cell division mechanism of all harmful bacteria and algaes. in theory, Fenben binds to FtsZ, disrupting e coli, lyme, malaria, toxoplasmosis, fungi, virus, syphilis etc. I believe Steve claims this includes AIDS but I hesitate to include it because when people read fantastical claims, they start thinking ‘this sounds like BS’.

I don’t want to stray too far on this topic but remember that what your doctor knows and doesn’t know is heavily influenced by the pharmaceutical industry which spent an estimated $24 billion marketing directly to healthcare professionals in 2012. Think about that amount.

Your doctor is getting paid to not know about inexpensive cures that are not patentable or have expired patents.

Fenbendazole has also been documented to have anti-tumorigenic effects.

How much fenbendazole do people take?

Many sufferers respond to miniscule amounts. If one is heavily infested, its best to start low dosage with fenben – this might mean around 15 mg. Some recommend starting with Reishi first to start the bowel to purge.

Roughly speaking, Steve and his followers are taking around 5 mg per kg per day which is the standard dose and preventative worming for fenbendazole. For perspective, the recommended dose for treating a strongyloides infection is 10 mg per kg per day.

I’m also treating my cats, because if they’re infected,  and I get clean, I don’t want them re-infecting me. They are getting .2 to .3 mL a day which equals about 2 to 3 mg I believe.

How is Fenben taken?

Some say you want to take it with food because the worms you’re trying to kill our eating your food, so best to hide it in the food they’re eating. The fish fenbendazole powder doesn’t dissolve in water, but you can still makes it with water or juice or sprinkle on your food. Doesn’t have much taste.

I’m told it can be constipating so you want to use enough magnesium, preferably in between meals, to keep you loose.

Fenbendazole does dissolve in DMSO, so that’s another option, but I suspect that would pull more of it into your blood which you might not want.

What other medications or supplements should be combined with fenbendazole?

Steve recommends Red Reishi mushroom (look for organically grown from sterile media) with Fenben which is reported to have these benefits:

  • Analgesic
  • Anti-allergic activity
  • Bronchitis-preventative effect, inducing regeneration of bronchial epithelium
  • Anti-inflammatory
  • Antibacterial, against Staphylococci, Streptococci, and Bacillus pneumoniae (perhaps due to increased immune system activity)
  • Antioxidant, by eliminating hydroxyl free radicals
  • Antitumor activity
  • Antiviral effect, by inducing interferon production
  • Lowers blood pressure
  • Enhances bone marrow nucleated cell proliferation
  • Cardiotonic action, lowering serum cholesterol levels with no effect on triglycerides, enhancing myocardial metabolism of hypoxic animals, and improving coronary artery hemodynamics
  • Central depressant and peripheral anticholinergic actions on the autonomic nervous sytem reduce the effects of caffeine and relax muscles
  • Enhanced natural killer cell (NK) activity in vitro in mice
  • Expectorant and antitussive properties demonstrated in mice studies
  • General immunopotentiation
  • Anti-HIV activity in vitro and in vivo
  • Improved adrenocortical function
  • Increased production of Interleukin-1 by murine peritoneal macrophages in vitro
  • Increased production of Interleukin-2 by murine splenocytes in vitro

For treating strongyloides, Fenben is often rotated with ivermectin – for example, this is from a guy who was suffering (99% cured now) from disseminated strongyloides, which is fatal more often than not:

I did 14 days in a row of double doses (28 total doses for month) then I did 5 day double doses every 2 weeks after that for the remaining 5.5 months or 20 total doses per month. I also did ivermectin during the 2 week rest periods with fenbendazole.

Fenbendazole has greater efficiency doing the double dose , it is clearly documented in treating small strongyles and trichostrongyles in horses. The horse people take these bastards serious as horse racing is big money and healthy horses are profitable. Fenbendazole is also very effective against chronic low grade candida and many fungal infections.

However, when I searched for evidence that Fenben has antifungal properties I found a study where it failed to inhibit a variety of fungi including Candida.

What are the alternatives to Fenbendazole?

I’m in a lot of Facebook groups for different oxidative therapies in one of those is CD Health. Recently a woman named Audrey posted that she was close to hundred percent recovered from Lyme disease using chlorine dioxide. She also tried Fenben while she was using chlorine dioxide and switched to mebendazole and said this about it:

Lyme update: I started on CD in mid August of this year. I’m continuing to feel better and have more energy. Most of the worst symptoms are completely gone now. I did have a big setback for a few weeks when I stupidly decided to try fenbendazole instead of mebendazole for my first parasite protocol. I took it for 8 days. BAD idea. It made me feel horrible and really set me back. Kerri recommends mebendazole for a reason.. it’s not systemic and is generally well tolerated. Fenbendazole is systemic. I did a consult with Kerri (highly recommended) and she reminded me that I shouldn’t keep taking something if it’s making me herx… herxing is NOT good for us. I’m always so aggressive with treatment.. it’s not always a good thing. New improvements that I’ve noticed lately is that I’m sleeping better and my digestion has improved… I used to have undigested food passing through and that has resolved. Energy is continuing to improve… I often have energy for extra chores like organizing and clearing out clutter now… for the first time in a long time. I”m so happy to be getting my life back!! At this point I’d say I’m about 90% better after just 3 and half months. I’m also doing a low fat raw vegan diet and daily castor oil packs and I think they help a lot as well as the CD.

Where do you get fenbendazole and what’s the best form?

You can buy Fenben on Amazon, at pet Smart or agricultural supply stores. Until recently, most were using Safe-guard or Panacur. Because Steve’s followers take it daily, many noticed weight gain probably due to the estrogenic effects of the preservative paraben one of the non-active ingredients. So many are now using Fish Bendazole which is a powdered form that doesn’t contain parabens.

How was I feeling before I started Fenben?

The big picture – my health has been improving. I’m more and more active. People around me say I look much better than I did two years ago when I first discovered the heavy metals and started chelation and methylation protocols. Still, that’s what you’re supposed to say to a friend, and I’m not so much better that I don’t wonder from time to time if I’m not just going in circles.

Those moments of doubt come with the territory though because when you’re detoxing, depression and moodiness are major side effects. We did go on a big family vacation to Europe a couple months ago and I rocked it! Two years ago I would not have dreamed of taking a risk like that.

The small picture – I’ve been ramping up my ozone therapy, doing an additional five seconds of ear insufflation (EI) every day and ozone just kicks my ass. It makes me stupid, apathetic, and bloated and tightens my connective tissues causing pain.

So at any given moment, if you ask me how I’m feeling, and how I’m doing, that’s a very complicated question. Today on my birthday I reached 7 minutes of EI and it feels like such a huge accomplishment.

What happened after I started Fenben?

Today is my second day and I’m only taking around 30 mg of Fenben so I will have to update this section over time. I also started Red Reishi the day before starting Fenben and my impression is that I’m feeling a bigger response to the Reishi. I’ve had frontal headaches and moodiness/irritability/mild depression – when I took two Reishi capsules together it was very strong, and then milder when I take them apart.

Today I was very cold in a warm room (81°F) for a while and then had diarrhea after which I felt quite a bit better. Really typical detox patterns for me. Because I’m taking the Reishi and Fenben together, I can’t be sure what’s doing what but I am sure it’s accelerating the cleansing process I’ve been in for a long time.

I also recently restarted using a bit of food grade hydrogen peroxide so I’m really attacking my pathogens on a lot of different fronts. That’s one of the problems we have discerning what’s working and what’s not in alternative medicine.

When you have cancer, who’s going to do just one thing about it? When you’ve been ill like I have for 13 years, you find something that works and you just added onto the pile of other things you know work.

The end result is you end up with stories like mine that are incredibly complicated to tell and most health practitioners will never have the patience to fully grasp…  and until you’ve had an experience purging toxic stuff from your bowels that makes you suddenly and intensely ill, you probably have a hard time believing in “die off”, “detoxing” and “herxing”.

Reading what Steve wrote about an experience he had like that, really give me a lot of confidence in Fenben because I had already been through something like that during my liver flushes. Here’s what he wrote:

This protocol pushes out GSB and its symbiots, as they leave some of their toxins are re absorbed back into the bloodstream, making one a bit uncomfortable and for some very sick. This always passes! My first BMs after taking the MEDS scared me, it was quite an experience, my heartbeat was fluttery, breathing required applied Yoga techniques as I didn’t know if I was breathing, ears rang like a liberty bell, actually I thought I was dying, it passed and I saw what came out of my body, first clear, threadlike worms, wiggling slowly, almost vibrating. . . scary stuff, but as I’ve stated many times, better out of me than inside of me. These scary, sickening times abated over time.

I’m hoping to collect some of the recovery stories from people who’ve taken Fenben here as comments on this page. Stay tuned!

Please let me know what important questions I’ve left out…

79 thoughts to “Fenben fever”

  1. I have just been diagnosed with TBE flavivirus and have been recommended to take the fenben as cure. However from my research, The disease is incurable once manifested, so there is no specific drug therapy for TBE.
    Which is pretty scary. Im wondering if anyone has any thoughts/advice? I know TBE cases are rare… going slightly mad thinking about it all!

    1. hi Jen, never pay attention to MDs or anyone else when they say something is incurable-it just means you’ve reached the limits of their own knowledge.

  2. Hi Eric! Lots of helpful info here; thank you for compiling it. Question: How do you dose the fenben fish powder? I notice it comes in packets of 250 each and you mention above that the standard dose is 5mg per kg of weight per day. Have you already done the math for the fenben fish powder? If so, would you share it? Of if that is somewhere already on your site, can you direct me to the right page/post? Many thanks!

    1. hey Chris, I just did the math fresh because it was so long ago I couldn’t remember. Each Fishben packet contains 250 mg Fenben but contains powder weighing 1,950 mg. I think a good daily starting dose for Fenben is around 50 mg or 1/5 of a packet which weighs 390 mg. I’m currently taking 180 mg daily at bedtime. I weigh 150 pounds or 68 kg so using that 5 mg / kg rule, I could take 340 mg. That’s probably not meant for long-term use. On curezone, someone far more experienced with fenbendazole said that 250 mg per day should be a top limit for continuous use.

  3. Not sure if all this has been said, I can’t go through all the comments. Literally. Brain no worky.

    I drank a bottle of the Goat Fenben over 3 days after doing the math to get equivalent of what I was dosing my dog with (Pancur/Safe-guard granules). I just felt really, really bloated. Not sure if I was digesting something or what, but felt ‘full’. No success on dosing the cat. Dosed dog again last week and got 1 day in the cat (wore half the second day’s dose and gave up, covered in scratches). Both animals got the fever, bad. So that’s a positive on bug-based tapes. Cat had a massive, massive “come-back reaction” 4 days later since I didn’t give him the full dose. Really scared me. With worms, NEVER underdose!

    That said, mammal-based tapes you can nix with one dose of praziquantel. Again, thank the internet for Tractor & Feed Supply shops! NIH has an article where they tried it on some young men no problems. It’s really hard to OD an animal on it. I have not done this one. It seems always mixed with ivermectin, which I needed for my dog anyway. Lived 10 years in moldy house not realizing. His feet would get infected and next thing he had sarcoptic mange, worms, you name it. Vets always gave false negatives on his fecal exams (when my microscope showed eggs and tape segments no problem….) so I had to learn a bit about parasites….

    Flukes it seems you have to use praziquantal at a high dose for a lot of days (forget details), at least for a dog. All I know is when I give him any parasite med, he gets a retching gagging hack – and I’m pretty sure it’s the parasite lifecycle that goes to lungs, gets swallowed, mates in the gut – rinse and repeat. So GOOD TO KNOW they have a test! Best news all day!

    Ivermectin – you can get for cattle as an injectible, no r(x). I’ve taken this for 3 days and felt weird….

    Finally – “back in the day” – Farmers would worm their kids just as they wormed their livestock. For real. So the biggest concern on these older anti-parasite meds, IMO, would be the herx reaction and if it turns septic or causes seizures.

    Happy I found this blog! 🙂

    1. Courtney, I personally wouldn’t take the goat fenben because it contains preservatives like parabens that tend to make people feel ill by themselves if I recall. The fish fenben powder is much more pure but still has a significant amount of cellulose which makes it taste sweet.

      1. I always used safeguards feben, im curious about using fish feben but confused about the dosing. The liquid goat vereion has a weight label making it easy for dosage. Im not to sure about the fish powder dosage by body weight, plus it’s actually pure 22% compared to 10%. Anybody have a easy way to administer fish feben powder by body weight?

  4. Great Article regarding Strongloides is
    Chronic strongloidiasis-Don’t look and you won’t find
    AFP 2016

    explains why my Strongloides (Clinically Diagnosed) 2009
    disseminated causing stroke like symptoms after using Steroid cream on my so called (Clinically Diagnosed) 2015 skin cancer.

    The article is great it is written by Drs for Drs.
    I just couldn’t find a Dr to read it here in Aust.
    I flew to Bangkok & found a Dr who could & would read it.

  5. Hi Eric, I’ve been building up my fenben dose, and am now at 50mg/day. My schedule has been 15mg, 30mg, 50mg raising every 7-10 days. I get neck headaches 3 days after each lift which seems to fluctuate very slightly. What symptoms do you get from Fenben and how frequently do you raise (and by how much?). BTW I tried Hyperbaric Oxygen therapy today in a chamber. Was epic!

    Tim 🙂

    1. That’s great Tim, congrats on your progress! very interesting that you also see the results three days after the increase like me… I would love to do hyperbaric oxygen also but don’t want to spend the money now. What did it do for you?

      When I increase Fenben, my bloating increases, I don’t sleep well, I feel crappy, overemotional and gas has a funny chemical smell to it. I don’t increase on any regular schedule, just when I can fit it in based on my other therapies.

      1. Hyperbaric made me yawn constantly (during the session) which was strange and got a headache within 30 minutes of the end of the session – which had almost-severe light sensitivity which is very very unusual for me. It lasted all night and I woke with it, then had very bile-smelling and very loose stool which seemed like a liver flush in smell and looseness. It’s very apparent that it’s a big find for me! It is expensive though. £120 for 60 minutes.

        Fenben wise I get bad sleep and get very emotional too, gas wise I couldn’t tell – as this comes and goes from week to week, although since liver flushing ‘properly’ again my bloating and gas has subsided massively and stools darkened properly too! I saw your flush that included charcoal etc and improved it further still (thanks for opening my eyes to improving flushes!) – perhaps you could take a look and comment? 🙂 http://myjourneybacktohealth.com/improved-liver-flush/

        Be Well Eric


          1. nice find about the Charcoal Eric! I have always taken it hours away from any food or supplement just incase it absorbs what little there is for my body to try to absorb – I’d be a bit paranoid about taking it near as a result. Have you felt it help you much?

  6. Hi Eric,
    Did you do a lot of dry coughing with the FenBen? Any detox side -effects or other side-effects with it? What symptoms do you attribute to the strongyloides and / or their die-off?

    1. no, I don’t get any coughing. Yes I get lots of die-off effects but mostly from fungal infection. I think the strongyloides die-off was mostly fatigue and maybe bloating.

  7. Hi Eric. I have been researching connection between parasites and heavy metals- apparently part of their function in nature is to clean up the environmental toxins:

    My theory: As my metals are on their way out through the GI, some parasites (for me its pinworms) redistribute metals back in my tissues re-infecting me, constantly undoing all the good work of my detox. For example, they make their way through the GI to lay eggs at night, and come back up to other organs (appendix, uterus, biliary duct, etc) to avoid peristalsis during the day, but take all the toxins from my excrement in GI and infect organs and blood stream, causing chronic fatigue and mild flu symptoms. Because they have an affinity for heavy metals I am giving off, perhaps that is why they are more stubborn in me than other people.

    Anyway I am thinking about taking some pharmaceuticals. I have tried pyantel pamoate, over the counter, and it helps me sleep at night but has not been strong enough to stop night attacks of abdominal pain and twitching and nightmares for more than one or two nights- then it comes back.

    I was wondering if you had tried any other anti- parasite meds besides fen-ben and what your experience with them was. Thanks!

    1. Yes, I took a whole bunch of antiparasitic’s more than a decade ago including Alinia and they were extremely harsh on my brain. Not sure I ever felt the same again after that.

  8. Thank you for this information. I have been trying so many different approaches. Fenben has made a difference. I am starting so it will take some time. I have looked through your progress and wonder if you are still treating your condition using fenben or is your focus on cholestyramine and methylation?

    1. I switched to pure fenben powder which comes from a chemical company and have been able to increase my doses more rapidly over the past couple weeks (now up to 120 mg) maybe because I’m taking it in the evening now and using charcoal in the middle of the night. It’s going well!

  9. I can’t find the Facebook group and would really like to join. Both my husband and my self have a lot of health issues and would like to start on fenben and reishi mushrooms but would like some guidance.

    1. You can find Steve’s group under its new name
      Morgellons support science
      And he has another for people just starting the Reishi and fenben protocol I think it’s morgellons support protocol. Be well.

  10. Hi Eric
    Can you give any advice on how long to take fenben? I have a very bad parasite infection as well as candida overgrowth. I can feel these worms crawling all over my body. They are causing leg burning and pain. And From what I’ve researched and experienced the candida will not improve until I get rid of the parasites. I’ve done numerous herbal cleanses and my natural path even prescribed me ivermectin. I felt better after the ivermectin but my symptoms always return. I’m going to do a colon cleanse in the next week or so and want to start fenbendazole after that. How long should I take fenben and at what max dose should I achieve? I’m only 102 pounds. I appreciate any guidance you can provide.

    1. Hi Jean, I believe the folks in the morgellons group take 1 packet of fishben per day which amounts to 250 mg Fenben. That’s probably too much for you at only hundred pounds. And, I’m only at 1/3 of that amount after months of working my way up slowly. If you are going to take it, I recommend you do something similar – start with a very small amount, maybe an eighth of a packet… I take it once a day with breakfast or dinner.

      1. How long do u expect to take fenben? Do u just go by how your body feels or expect to be cleared based on the life cycle of the parasites? If I can work my way up to a high dose I’m wondering how long to stay there?
        Hope you are well

        1. since heavy metals and gut problems seem to be linked, I’m guessing it will be until my metal burden is way down…

  11. Hi Eric, How did you get on with the Fenben in the end? I can’t seem to see the follow up post you mentioned you would do.

    I started the reishi the week before last and tried for 2 weeks, but had horrible diarrhea every day and awful headaches that didn’t lighten up – so didn’t start the Fenben in the end.

    I hope you are well

    1. I also ended up with headaches from Reishi and gave up on it. I’m still pushing forward with Fenben. Still have the feeling that I will feel significantly better once I build my dose up to Steve’s “standard dose”. I’m approaching one third of that.

      1. it’s interesting the Reishi as the week before starting it my WBC was 2.9 (ideal range 3.0 to 9.0) which was the lowest ever (usually 3.4) however the week of Reishi WBC increased to 6.3. Neurophills increased significantly too. Now I’ve stopped the Reishi I had another blood test to see if it’s dropped again – but on the face of it seems very effective for the immune system. Will report back, but seems that’s why we get headaches from it.
        I’m looking forward to starting Fishben (15mg) at the weekend!!!
        Have you do you know much about Dr Christopher Shade’s Mercury protocol btw? It seems to cover things Cutler misses (such as the gut etc).

        1. wow, very interesting that you measured your WBC and could see such a dramatic change! I will try the Reishi again at some point when I’m feeling more capacity… I don’t know much about Dr. Shade’s products but hope to explore. Their office is only 20 minutes from me.

          1. Yeah, the doc couldn’t believe the difference. Apparently that was a very quick change.
            Regarding Dr Shade here’s 2 Mercola videos. It’s really interesting how Cutler pretty much ignores the gut. Shade bears this in mind. The two protocols go well together it seems. Im starting the IMD tonight, and will start Fenben next weekend as a result.
            I highly recommend you check them out, as Shade says he clears mercury in 6 months and that it shouldn’t make you so ill during chelation therapy (as it does with Cutlers). I would be really interested to know your opinion on it. I was sceptical at first, of course! 🙂


  12. What time of the day is best to take fish fenbendazole? I read in these posts that it is better to take with food. Could I have gotten worms from my cats (indoor)? If I treat them at the same, how much should I give them?
    I don’t know if I have a parasite or fungal problem, but a few years ago started bloating and got cystic acne at age 47. I am a female and was told it was hormones. I’m willing to try fenben since it seems to have few side effects, if any.
    I take doxycycline (100mg) to keep the cysts down. If I don’t take it, I get huge cysts on my face and it is not presentable for work or public – so I stay on it. Can I still take doxy with fenben?
    I read that I should not drink alcohol with fenben – would a glass of wine here and there be a problem?

    1. Annette, I wish I could help you with these details but I would have to go research all of those things since I don’t know the answers offhand. I take my Fenben with breakfast…

  13. I have had the powdered fish Ben for about 4 months I’ve been scared to take it though bc I don’t have regular bm’s. My body isn’t doing well on CD so I’m out of options. I’ve heard conflicting stories about die off and herxing? I can’t afford to be any sicker then I am, also one person complained of headaches? Is it you just “don’t feel well” or did it put you down? Like bed bound down?

    1. It’s all in the amount you take Lisa, take too much and you may be miserable. Start with tiny amounts and increase slowly and all will (likely) be well.

      1. I had a problem so I went to the doctor they took blood and stool found nothing , went back to him and he said he will proscribe me albendazole or a dewormer for dogs because ,the dog dewormer is the last one they go to ,he gave me the albendazole it did not work I went back to get the dog dewormer from him but my insurance paper work was messed up, so I have to pay $281.00 be for I can see him again I went and ordered the fenbendazole dog dewormer for myself 240 lbs worth of it ,ya’ll are under taking and I understand the scared of everything but one the doctor told me he was going to give that to me next and all the blogs I have read and I tried the fish fenbendazole, it killed some I used 3 containers ,I can feel them in my stomach, I will let ya’ll know how things turn out .240lbs of dog dewormer in 3 days 6 packs a day .I know how it feels when you can’t sleep at night and your bothered.I will report back Thursday to let you’ll know how things are going if it worked.

        1. I had good success with Equimax brand praziquantel paste for horses combined with Durvet brand pyrantel pamoate paste also for horses. Before bed I took both tubes and dialed them to 300 lbs. then squirted both in my mouth and washed them down with water. The activity stopped almost immediately. The first thing that happened was I got a runny nose then I got real tired, went to bed and slept like a log. The next morning my vision was funny, kind of like it is when you walk in the house after being outside in the bright sunlight. I took this dosage for two consecutive days and it worked great, until I got reinfested a couple of weeks later. I tried it again and it didn’t work. Then I went to Vitamin C (ascorbic acid) iv treatment from a holistic doctor. After five iv’s I tried the horse wormers again and they worked. I think a lowered immunity has a lot to do with this.

          1. Depends what you’ve got too. Strongyloides will keep coming back until all the cysts have finished hatching, so the follow-up treatments run for a year – if you believe what certain vets say…

  14. Considering Steve’s protocol…currently have been out of a mold house for almost 2 years. 4 months ago started seeing a functional medicine doc. She has me on a omega3 probiotic, magnesium, vit D3, vit A, berberine, multivitamin, digestzymes, niacinamide, SAMe, cholestyramine (but I only take it 2x a day) and take activated charchol 2x a day and Sporanox (with coke…there’s a little research about taking it with coke). Do you also follow a strict diet? The CSM and activated charcoal will help with that HERX/detox effect as it adsorbs the toxins to it so they don’t reabsorb into your system. I am feeling a lot better with her help and hope you find some added benefits from it too. Now on to fighting the parasites by adding Steve’s protocol but I’m already taking so many meds and supplements every 2 hours I feel like “how am I going to add in 2 more things”. So hard to figure the scheduling of all this stuff with food. I hope you talk about your schedule in your upcoming “big post on bio toxicity and mold”.

    1. hi Kim, thanks for writing. I already did that post on mold/CIRS and now I didn’t talk about my schedule but yes it is crazy. it’s an enormous puzzle! glad to hear the cholestryamine has worked well for you, I’m hoping to start any day now 🙂

      Yes I follow a very strict diet – very paleo but probably eat fewer carbs than most. I don’t even touch fruit because of the sugar…

  15. Also, I dont really have any symptoms other than bloating and terrible gas after certain meals. After reading boards and blogs it is hard not to think it might not be a parasite. Do you believe that their would be any harm in trying fenben? And for how long and what dosage?

    1. I’m going through something very similar with my daughter and it is difficult to determine whether the problem is bacterial, parasitic or fungal… I really don’t want to give an opinion on whether or not there’s any harm – there’s some risk with every supplement and every pharmaceutical, even Tylenol. That’s for you to decide. My job is just to share what I’m doing and experiencing.

  16. I just bought fenbendazole from the same please Eric thank you ,but how do you take 15 MG if it comes in powder.

  17. Would you email me with which fenben product you used. I would like to try this out.

  18. Eric

    I am debating on starting this protocol soon. I am a member of steve’s images too. I was exposed to toxic mold & am better but can’t seem to get back to my normal self. Something just isn’t right ( hard to explain). I am pretty sure I have parasites…..possible lyme too. Are you well from this protocol/doing better?


    1. Sharon, I will be doing a big post on bio toxicity and mold soon. My doctor sent me for bunch of tests which came back positive for bio toxicity and chronic inflammatory response syndrome which is in theory all about mold exposure. She says that my body has been holding onto mold from exposures that happened many years ago and in a couple weeks I will start taking cholestyramine to eliminate it… I’m still not positive that my main problem isn’t just the ongoing fungal infection I’ve got and that I’m fighting with Fenben.

      I’ve started taking Fenben again and I am slowly getting better. But it is still a very difficult process because I feel sick every time I start moving the biotoxins out.

  19. I’ve been on fenben for 2 months and the things crawling all over my skin at night have gotten worse. Now they’re all over me 24 hours a day. They’ve moved from my legs and head to all over my body, including mouth and sinuses. They’ve also moved into my muscles. I take 1/2 tsp powdered fenben per day (99% pure). Three months ago I was using a parasite cleanser I got at the health food store (I forget the name) and Sovereign Silver. It didn’t work so I switched to Fenben. I’ve added Russian Black Radish and Neem. Any ideas?

    1. Hi Linda, the skin crawling sounds awful. I had some biting itching with fenben that only happened when i lay down to sleep… only lasted a couple months. You might try stopping the other stuff like Neem. Don’t overwhelm yourself. You might try lowering your dose too. Let me know what happens! -e

    2. I think it is better to first kill parasites with chemicals like fenben — than to expel parasites with herbs. This is important. I love herbal cures but I do not believe they should be used in the early stages of a parasite problem. The first line of defense should be a safe chemical like fenben.

      I suggest bathing in hydrogen peroxide. I think for short term use over the counter hydrogen peroxide is fast and very effective then switch to food grade hydrogen peroxide. Use castor oil on your skin.

      Thank the Lord for over the counter, effective, and affordable products like fenben. I agree you should use small amount daily otherwise the parasites regroup and multiply — and you have to start all over. I drink a weak solution of diatamaceous earth during the day. I drink peppermint tea at night. I stopped eating meats and primary eat my own food. I clean raw vegetables and fruits of parasite eggs with vinegar, salt etc. I was using Panacur, the Safe guard but will switch to fish fenben.

      I plan to use fenben in units of 7, maybe 7 weeks or seven months. Because it is the Biblical number for completion. Not sure yet how long. I have to listen to my body

      I had tiny parasites coming out a few of my pores and I used Ben-Gay which killed them promptly. Here is a helpful, to the point website that collects info on killing parasites: hydrogenperoxideforhumanparasites.weebly.com . This where I got information on using Ben-Gay.

      I pray for your total healing.

  20. Hi Eric, I stumbled upon this page through lots of research trying to figure out what has been going on with my health. I started taking Fenben bout 100mg a day. I have been on it for 7 days and have noticed some of my back pain, rib pain and pelvic pain subsiding. I feel a little more clear in the head but when I take Fenben at night the pain comes right back within an hour. I wonder if this is the die-off. I joined a FB group to gather info. I don’t have Morgellons, i think i have a parasite for sure. Im actually not sure what Morgellons is, all I know it is scary. Anyway this page has given me hope that I can recover. Im not sure if you’re supposed to stop taking fen ben if your symptoms subside or you just keep taking it forever?

    1. hi Jessie, you are doing better than me because I still feel terrible when I take Fenben! Still convinced I need to keep taking to clean my system out though 🙂 I’m not sure what difference taking in at night could be making… Keep me posted please!

    2. Well, I took the hair metals test. I scored high for arsenic and uranium (which is scary) and fairly high for lead. Which I’m not sure how to chelate any or all of those if possible. This has made my situation more complicated. Not sure what to do at this point. I guess i assumed if metals can get in it can get out but i read things on the net that if they deposit in the blood or bones then they are harder to get out than if they are in fat deposits. Not even sure what to do about Uranium…boy 🙁

      I bought a natural chelation agent made of MSM, EDTA, and some other stuff. Also staying away from tap water sources and investing in a good water filter. However about the parasite, When I take the meds, i have a huge reaction (herx?) stabbing pain all over my body. I wonder if this means they are lodged through out and not just in my gut.

      1. it is hard to know where to begin Jessie! I also had some very piercing itching for a couple weeks when I started Fenben, but it would only happen at certain times so it was really not too hard.

  21. Hello to all….basically im 33..and i have ALWAYS been ib great shape

    Well..i went out of the country..to Jamaica..in the hills of saint Thomas.. And ar alot of meat. And walked around bear foot



    The pill are 800 bucks for 2..and the docs know this.so they dont want to prescribe them


    1. do you know what kind of worms they are Avery? what is the medication that costs $800? Fenbendazole and Ivermectin are both inexpensive and neither require prescription…

  22. Firstly so many thanks for you website/blog. You and the B12 are giving 4 in my family a huge life changing (3 with ME). Can not thank you enough.
    Questions. do you find fenben better than hulda Clarke’s parasite program?
    why not drink ozone water?


    1. thanks for writing Linda! I tried a black walnut hull and worm wood treatment (45 days maybe) and saw nothing to make me think it was doing anything. I reacted neurologically to the worm wood as is common. I can’t remember exactly what it did but it was a bit uncomfortable… Yes I believe the fenbendazole is much more potent, for me and my mix of pathogens anyway. I also have drunk ozone water and I don’t believe it did much. It is quite a bit more work to make the water and I did not do it for very long. Can’t remember if it was a week or two, but probably about that range.

    1. Still working on it Tim! At my last small dose increase I got a migraine and noticed it was during the full moon… a month went by during which I continued to pass a lot of toxic yuck and when the next full moon came I made sure not to make any changes. A couple days before the full moon I felt like I was going to get a migraine… The feeling came and went for many days. A few days after the full moon I was feeling better. I know it sounds crazy.

      Today I finally did another small Fenben dose increase.

      I’ve been trying to tease apart what the ozone versus Fenben is doing but it’s difficult. They seem to have similar effects, which does make sense. Anyway, I stopped ozone about 10 days ago and I think that’s probably why I was feeling ready for a Fenben increase today.

      I’m still only taking about a third of Steve’s protocol calls for, so I feel like I’m moving at a snail’s pace.

  23. posted by Audrey in the ‘CD Health’ Facebook group:

    “Lyme update: I started on CD in mid August of this year. I’m continuing to feel better and have more energy. Most of the worst symptoms are completely gone now. I did have a big setback for a few weeks when I stupidly decided to try fenbendazole instead of mebendazole for my first parasite protocol. I took it for 8 days. BAD idea. It made me feel horrible and really set me back. Kerri recommends mebendazole for a reason.. it’s not systemic and is generally well tolerated.”

  24. Hey Eric,
    I just stumbled across your website through random Google searching and I’m compelled by our similarities..
    I have Lyme,combined with mold/asbestos exposure,shingles,parasites ( all Lymies have parasites ) among other things.. I’m able to hold down a part-time job,but still my health is nowhere near 100%..
    Just thought I’d chime in and tell you what helps me, I’ve always been able to piss off my parasites by eating raw Papaya fruit WITH the seeds.. The magic is in the seeds,first time you eat them you’ll swear you’ll never eat them again (strong flavor,kind of sulfuric) but wow do they work! In other countries they’re able to substitute Papaya for the anti-parasitic drugs,it’s pretty powerful stuff..

    Worth a try,best wishes my friend.
    I’m going to bookmark this site,and follow your progress.

    Your friend.matt

      1. I would also like to know 🙂
        I just recently found out i have late stage Lyme and only in a matter of days i have joined over 15 different groups and also found my way here throu one of these groups 🙂
        I am still in the early stages of learning everything and trying to keep up.
        I am so mentally exhausted.
        It would be of great help if you or someone cold eplaine the difference between these two. (fenben/mebend)

        1. I did some research but didn’t really come up with any information that seemed trustworthy – I think it’s extremely difficult to do such a comparison when Fenben is not being prescribed for use in humans. I feel like I should probably try Mebendazole to see if it’s any easier than Fenben. However, I strongly suspect that the only reason that I have trouble with Fenben is that it’s effective in killing pathogens, and I’m just experiencing standard die off…

  25. Hi Eric, I’ve been following yourb blog for sometime. I’ll introduce myself later. Just a question: why not MMS (Andreas Kalcker).

    1. Hi Andrea, this might not be the best reason but I mixed up some MMS and the smell was so noxious I couldn’t see myself taking more and more of it…

  26. Thank you for helping me to better understand how this is supposed to work. I started the protocol July 11th, but as of yet I still itch and have the other symptoms. I have not developed diarrhea as of yet…I have tried everthing for at least 13 years …would give anyyhing to put an end to this. I spray Clean Green mixed with apple cid er vinegar to try to help kill them. Any suggestions are welcome!

    1. Well I’m just getting started so can’t help you much yet… so far I’ve found the Reishi is powerful stuff – I had a real serious case of depression/moodiness, mild headaches and mild general dysfunction for three days since I started taking Reishi, today I took a day off and all that stuff stopped and I passed some gobs of toxic tapioca which I recognize from my prior bowel flushing experiences. I’ve also been using a bit of fghp, so I’m sure that contributed as well, but I’m guessing it’s mostly the reishi… very happy to see the progress anyway.

  27. Hi there! I forget to get yr name? Oopsie! ???? Anywho, well done! I just entered this nightmare at the end of May! Yup! Newbie & uninformed! I really have no idea what I have? Steve’s site seem to come the closes as far as what is happening to me! I tried to ask a few questions then I saw yr site! I tried signing up for the news feed but mostly my phone has ‘bugs’ or you need to look at it? Definitely interested in all you have to say! I can’t imagine going through this as long as some of y’all have been? ???????? ???? This is the definition or hell or insanity? I started back on DE & increased my vitamin C. I wasn’t sure about the Fenben & Relishi until I read yr page! I’m going to order tomorrow! Hopefully I will be able to double dose also? Thank-you & I will try again to get hooked up to the newsfeed! Keep up the great work! I wish you fast & easy results! ???? ???? ????

    1. I’m starting with a low dose and one of the experts in the group Nel is recommending that I start even lower, so go slow…

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