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 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