Please consult your physician before taking any medication. Generic Name: CLARITHROMYCIN SUSPENSION - ORAL Pronounced: (kluh-RITH-row-MY-sin) Brand name: Biaxim Oral (Spanish name, Klaricid) Biaxin Oral Uses: Clarithromycin is used to treat a wide variety of bacterial infections. This medication can also be used in combination with anti-ulcer medications to treat certain types of stomach ulcers. It may also be used to prevent certain bacterial infections. Clarithromycin is a macrolide antibiotic that works by stopping the growth of bacteria. Biaxim Oral Suspension may also be used for purposes other than those listed in this medication guide.