Clarithromycin, sold under the brand name Biaxin among others, is an antibiotic used to treat . Its elimination half-life is about 3 to 4 hours with 250 mg administered every 12 h, but increased to 5 to 7 h with 500 mg administered every 8 to 12 h. Jump up to: BIAXIN® Filmtab® (clarithromycin...