Klaricid is used to treat bacterial infections in many different parts of the body. It is also used in combination with other medicines to treat duodenal ulcers caused by H. pylori. Klaricid is also used to prevent and treat Mycobacterium avium complex (MAC) infection.
Klaricid belongs to the class of medicines known as macrolide antibiotics. It works by killing bacteria or preventing their growth. However, Klaricid will not work for colds, flu, or other virus infections.