Clarithromycin is a macrolide antibiotic. It fights bacteria in your body.

Clarithromycin is an antibiotic. It's used to treat chest infections, such as pneumonia, skin problems such as cellulitis, and ear infections. It's also used to get rid of Helicobacter pylori, a bacteria that can cause stomach ulcers. Clarithromycin is a macrolide antibiotic. It fights bacteria in your body. Clarithromycin is used to treat many different types of bacterial infections affecting the skin and respiratory system.