Short answer: Azithromycin and clarithromycin are close cousins, but they are not interchangeable. Azithromycin needs fewer days of treatment, is gentler on other medications, and is usually the more convenient
Quick answer: Neither antibiotic is “better” across the board. Doxycycline is the stronger pick for chlamydia, Lyme disease, acne and many tick-borne illnesses. Azithromycin is more convenient, with short courses
