Clarithromycin is an antibiotic medication commonly prescribed to treat strep throat, sinus infections, bronchitis, pneumonia, skin infections, ear infections, as well as other bacterial infections. Clarithromycin belongs to a group of drugs called macrolide antibiotics which work by inhibiting protein synthesis, stopping bacterial growth and reproduction.

This medication comes in tablet, extended-release tablet, and liquid forms. Clarithromycin is usually taken once or twice daily, with or without food. The extended-release tablets are usually taken once daily, with food.

Common side effects of Clarithromycin include nausea, and diarrhea.