Clarithromycin is in a class of drugs called macrolide antibiotics. Clarithromycin fights bacteria in your body.
Clarithromycin is used to treat many different types of bacterial infections, such as bronchitis, pneumonia, sinusitis, tonsillitis, skin infections, and stomach ulcers caused by bacteria.
Clarithromycin may also be used for purposes other than those listed in this medication guide.
For more information on Biaxin (Clarithromycin), click here.