The Medical Advisor

OneDayMD • The Medical Advisor A single starting point for exploring OneDayMD's health, wellness, longevity, nutrition, cancer, metabolic medicine, emerging therapies and digital-health research. Quick Answer OneDayMD is an independent health-information and research-synthesis platform covering conventional medicine, integrative health, longevity, nutrition, supplements, metabolic medicine, cancer research, emerging therapies and digital health. This Master Guide is the site's central navigation page: use it to find the right topic hub, then move from a broad guide to the specific evidence, study, therapy, supplement, condition or research question you are investigating. On this page Start Here · Core Health Hubs · Cancer & Oncology · Nutrition & Supplements · Longevity · GLP-1 & Metabolic Health · DMSO ·...

Medically Reviewed by: Dr Frank Yap, MD | Written by:     OneDayMD Editorial Team | Last Updated: August 8, 2026 Abstract Background: Head and neck cancers (HNC), predominantly squamous cell carcinomas, remain a significant global health burden with substantial morbidity and mortality, particularly in advanced or recurrent disease. Despite progress in surgery, radiotherapy, and immunotherapy, treatment resistance and toxicity continue to limit long-term outcomes. Repurposed antiparasitic agents, including ivermectin and fenbendazole, have gained attention for their potential anticancer properties based on preclinical evidence and emerging anecdotal clinical observations. Objective: To evaluate the biological rationale, preclinical evidence, and real-world anecdotal data supporting the use of ivermectin and fenbendazole in head and neck cancers, and to contextualize these findings within current oncologic treatment paradigms. Methods: A narrative synthesis was conducted in...