Clarithromycin is an antibiotic. It works by preventing synthesis of essential proteins required by bacteria to carry out vital functions. Thus, it stops the bacteria from growing, and prevents the infection from spreading.
Abdominal pain, Diarrhea, Nausea, Vomiting, Headache, Rash, Injection site phlebitis, Insomnia (difficulty in sleeping), Abnormal taste, Dyspepsia, Taste change, Abnormal liver function tests
Clarithromycin is used in the treatment of bacterial infections. It is used in infections of tonsils, sinus, ear, nose, throat, skin and soft tissues and lungs (pneumonia).