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Ivermectin: every public report we counted

20 first-person reports from 1 website: 10 said it helped, 2 said it did not help or made things worse, and 8 were mixed or too early to tell. None of these reports has been verified.

How much these count: reports are the lowest-weight evidence here, below any study. People who post are not a random sample, most take other treatments at the same time, and nobody checks the diagnosis. We have checked 0 of 20 for signs of marketing so far. How we weigh reports

Where these came from

Cancer

20 reports: 10 helped, 2 no effect or worse, 8 mixed or too early.

  • Worse Took 70 mg ivermectin daily with mebendazole while waiting for chemotherapy; side effects were bad enough that he stopped after five days. Side effects: dizziness, brain fog, nausea, ringing in the ears. HealthUnlocked, 2026-03 (Dose far above approved human doses; outcome is side effects, not cancer response.)
  • Helped Takes about 1 mg/kg five days a week as part of a combined approach and says the combination is working for him. HealthUnlocked, 2026-03 (On Pluvicto at the same time; no numbers given.)
  • No effect After about four years with stage 4 disease, says ivermectin did not work for him and advises staying on standard treatment. HealthUnlocked, 2026-03 (No dose, dates or numbers given.)
  • Helped Self-medicating with ivermectin alongside hormone therapy; says PSA is holding at 0.01. HealthUnlocked, 2021-08 (PSA was measured while on hormone therapy, which alone can explain it.)
  • Helped Took fenbendazole and ivermectin about 1 mg/kg daily; says PSA did not rise for 8 months and fell for the first time. HealthUnlocked, 2025-06 (Started before radiotherapy, but the timeline against other treatment is unclear.)
  • Mixed Took both for several months; PSA stopped rising in the first month only, then kept progressing. HealthUnlocked, 2025-06 (Says it may not suit stage 4 disease; no numbers given.)
  • Helped Took both for six months and says PSA fell, with no side effects or changes in his liver tests. HealthUnlocked, 2025-06 (Also on relugolix and radiotherapy, which lower PSA on their own.)
  • Helped Takes 4-day cycles of 12 mg ivermectin and fenbendazole each month and credits them with keeping his CEA marker near undetectable after colon surgery. HealthUnlocked, 2025-06 (Marker after surgery that removed the tumor; does not think they help his prostate cancer.)
  • Mixed PSA fell from 13.36 to 12.22 on high-dose ivermectin, fenbendazole, keto and fasting; elsewhere he says it later reversed and he began hormone therapy. HealthUnlocked, 2025-01 (Small PSA change; switched to standard treatment.)
  • Helped Wife reports his urinary symptoms disappeared within two weeks and PSA fell from 4.7 to 3.7 between February and April. HealthUnlocked, 2025-04 (Caregiver report; surgery and hormone therapy had been recommended, unclear what he received.)
  • Mixed After triplet therapy he stopped hormone drugs for 12 to 36 mg ivermectin daily; a PSMA scan was clear, PSA rose slightly. HealthUnlocked, 2025-06 (Caregiver report; the clear scan followed standard triplet therapy.)
  • Too early Taking fenbendazole and ivermectin and waiting for his next PSA test to see whether they work. HealthUnlocked, 2025-06 (No result yet.)
  • Too early Takes horse-paste ivermectin about three days a week; PSA hit a new low but he is also on hormone therapy and draws no conclusion. HealthUnlocked, 2021-06 (Says elsewhere he has used it only alongside standard treatment.)
  • Helped Taking 18 to 30 mg of liquid ivermectin weekly for over a year; PSA has stayed at 0.02 for six months off hormone therapy. HealthUnlocked, 2024-08 (He says he does not know whether ivermectin is the reason.)
  • Helped Says PSA fell from 6 to 0.9 off hormone therapy and 0.75 to 0.11 on it, taking 48 mg every other day for 12 days. HealthUnlocked, 2022-06 (Short course; part of the fall was on hormone therapy.)
  • Helped Off hormone therapy, PSA had reached 2,658; within three months of ivermectin and fenbendazole it fell to 164, rose when he lapsed, then fell again. HealthUnlocked, 2026-07 (No medical follow-up or scans; very large PSA swings.)
  • Helped Takes ivermectin with other repurposed drugs; says PSA has stayed around 4 to 5 and MRI lesions stopped growing. HealthUnlocked, 2025-01 (Low-risk disease under surveillance; several drugs at once.)
  • Too early Two months into an ivermectin protocol and waiting for scans and blood work. HealthUnlocked, 2025-06 (No result yet.)
  • Too early Took prescribed ivermectin for three days for COVID-19; lymphocyte count went from about 30,000 to 26,500, which he thought might be coincidence. HealthUnlocked, 2021-05 (A forum administrator notes a drop this size is common in CLL.)
  • Mixed Weekly ivermectin from mid-2021; lymphocyte counts that had been doubling leveled off near 27,000, but his haematologist later started treatment anyway. HealthUnlocked, 2022-02 (Not taken for cancer; standard treatment followed.)

Everything we know about Ivermectin