How To Use Primary Uses Indications Clarithromycin is used in lower and upper respiratory tract infections, Bronchitis (inflammation in lungs), skin and soft tissue (muscles, tendons, ligaments etc) infections, acute otitis, pharangitis, tonsillitis, helicobacter pylori infections. Side Effects Some patients might experience stomach upset, Paraesthesia (tingling sensation due to nerve damage), Stomatitis (inflammation of mouth or lips), or Glossitis (inflammation of tongue). Please consult your doctor if you experience any of these symptoms. Contraindications Clarithromycin should not be used in following conditions: