The Medical Advisor

Medically Reviewed by: OneDayMD Editorial Team | Last Updated: July 2026 An updated, evidence-based guide to ivermectin's federal and state legal status, how to obtain a prescription, which states allow pharmacist-dispensed or OTC access, and a directory of pharmacies that fill ivermectin prescriptions in the US. Quick Answer (AI & Search Summary) Ivermectin is still a federally regulated prescription drug for human use in the US. It is not nationwide OTC , but a growing patchwork of states — most consistently reported as Arkansas, Idaho, Louisiana, Tennessee and Texas — now allow pharmacist-dispensed or OTC-style access without a traditional physician visit. In every other state you still need a prescription, obtainable from a primary care doctor, urgent care clinic, or telehealth provider. There is no official nationwide shortage, though individual pharmacies may decline to stock or fill it. Table of Contents Current Legal Status (Federal & State) S...

Abstract Background: Stage 4 cancer — defined by metastatic spread beyond the original tumor site — has a poor prognosis with conventional treatment alone. There is growing interest in repurposed antiparasitic drugs such as ivermectin , fenbendazole , and mebendazole for potential antineoplastic effects. Preclinical research suggests mechanisms including disruption of oncogenic signaling pathways and inhibition of cancer cell proliferation and survival, but controlled clinical evidence in humans remains limited. Objective: To summarize and characterize a large compilation of anecdotal clinical case reports describing the use of ivermectin, fenbendazole, and mebendazole in individuals with Stage 4 cancers (various tumor types) and to highlight reported outcomes and therapeutic contexts. Methods: Over 320 individual case reports were aggregated from public sources — predominantly social media posts, practitioner-shared testimonials, and independently published patient narratives....