Its unlikely that antibiotics will stop your semaglutide from working
Overall, tirzepatide appears significantly more effective for weight loss than available agents, although with greater gastrointestinal side effects
References Poljsak, B
When acetylcholine is blocked, it interferes with signals in your body and results in common anticholinergic side effects like dry mouth, blurry vision, constipation, drowsiness, sedation, hallucinations, memory problems, and trouble urinating. Benadryl has some anticholinergic effects, and you will notice more side effects if you combine Benadryl and an anticholinergic such as atropine, benztropine, glycopyrrolate, or flavoxate, she says
Safety assessments included collection of treatment-emergent adverse events (AEs, defined as any untoward medical occurrence in a subject after the first dose and before the follow-up visit) and technical complaints as well as physical examinations and clinical laboratory tests
Without an absorption enhancer like SNAC, oral semaglutide is basically theoretical