Is Fenbendazole Effective For Cancer? An Evidence-Based Analysis

Written By-Erica Wilson  Medical Senior Writer

 • Published: 04/22/2026

• Updated: 04/22/2026

✔ Medically Reviewed by Dr. Arjun Srivastav  Medical Reviewer (Pharm D)

Case Studies: Fenbendazole’s Effect On Cancer

Here are the major cases that have been reported on the effectiveness of Fenbendazole 888 mg australia on cancer patients. Just go through the brief of the cases. We have kept only the factual details of the cases, as medical analysis might not be interpreted by you properly.

1. Lung Cancer:

• This is the case of Joe Tippens, in whom lung cancer was diagnosed in 2016. He was given several anti-cancer drugs, but none of them seemed to be working on him. At the end, he self-administered Fenbendazole 222mg for three months.

• He took guidance in this aspect from a veterinarian and took CBD oil, curcumin, and Vitamin E supplements in the course of this medicine. After three months, when a PET scan was conducted, no detectable cancer cells were identified.

2. Cervical Cancer:

• This was a case of cervical cancer in a woman in 2021. She was diagnosed with cervical cancer, but the complication was the detection of cancer in the stem cells. Complication reached such a level that she was unable to be treated with any lab-tested anti-cancer drugs. And more importantly, since the stem cells were also affected by cancer, she could not be given chemo.

• Fenbendazole 888mg was then monitored by a veterinarian, and continuous medication was continued for 4 months. PET tests then done revealed 100% removal of cancer cells, with an untreated control of 0%. Further study revealed that for the ability of fenbendazole to continuously target the tumour cells, this miracle was made possible in that woman.

3. Breast Cancer:

• In the same year, in October, Fenbendazole 150mg showed another miracle. It was a lady in her 80s. Breast cancer was detected in her in the year 2009, and in 2021, she reached stage 4 breast cancer. She initially was treated with an Aromatase Inhibitor, and till 20201, she was reported free from cancer. Retesting in 2021 revealed a re-attack of cancer and confirmed metastatic carcinoma in the breast.

• According to the PET scan report done on 29^th of December 2021, she had 6 lesions, all hypermetabolic in her lungs, of which the largest one was as 2.8X1.5 cm in measurement, and the smallest of the six was 1.8X1.4 cm. After the finding, all medications (running) were stopped, and she was prescribed Fenbendazole. Re-monitoring was scheduled after 6 months. With this medicine, she used to take her supplements (vitamin D along with a multivitamin).

• During re-examination in 2022, July, liver dysfunction was noticed, and treatment of the same started. The study indicated that there was a contamination of Fenbendazole. In February 2023, she was rechecked with a PET scan, and the results found revealed no trace of cancer affected cells. The patient is still alive after 3-consecutive year’s medication with Fenbendazole.

4. Prostate Cancer:

• In December 2021, another case was reported of a 75-years man with Prostate cancer Stage IV. He was noted with a lymph node of approx. 0.8 cm. Considering his age, he was prescribed with FenSafe 222 Mg (Fenbendazole 222mg). He was scanned with PET after 26 months of medication, and the scan revealed no trace of cancer.

• There are many such cases where complete medical reports are not available. In almost 36% cases of such study, this medicine proved to be effective in cancer treatment in humans.

Some Basic Details About Fenbendazole

• Fenbendazole is originally a drug used for veterinary purposes. However, recently the same has been tested in different labs for use in humans. The same is used for the treatment of cancer in humans several times and reported to have 36% success rate.

• However, the drug is not approved for use on humans by the FDA or the TGA. And more importantly, it is a drug that should not be taken without the proper concern of a doctor.

Here are some of the other details that you might need to know about Wormentel 1000 Mg (Fenbendazole):

➦ Mechanism:

• It blocks the beta-tubulin of the parasites by binding itself with the parasite. This way, it stops the glucose uptake for the affected cells, and thus it cures parasites. It is estimated that the working process of fenbendazole for cancer is also somewhat the same, but the detailed understanding is still not disclosed by any research.

➦ Dosage:

• Usually, the dosage for adults is one tablet of 222 mg a day. However, your doctor can alter the dosage according to your symptoms and cancer conditions.

• For children, the use of fenbendazole is not permitted. It always showed adverse effects on human kids and pregnant women.

• Since the drug is not meant for human use, you will get lower dosages of the same in many of the stores without a prescription. However, for higher dosages (444 mg or more), you must have a prescription to buy the medicine.

➦ Onset Of Action:

• Fenbendazole and generic medicines with the same in formula, like Panacur 150 Mg, are slow acting in humans. Usually, effects are seen after 3 months of daily usage. For cancer, treatment continues for months before a scan is conducted. Hence, never decide on the tenure of taking the drug on your own.

Erica Wilson (Medical Senior Writer)

Years of Experience: 10+ years Education: B.Sc. in Biomedical Science (Monash University, Melbourne, Australia) PG Diploma in Health & Medical Communication (University of Sydney, Australia) Experience: Erica Wilson is an…

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