Zithromax is a macrolide antibiotic that is used to treat a variety of bacterial infections. It works by stopping the growth of bacteria. Zithromax is available as tablets, capsules, and oral suspension.
Zithromax is prescribed for the treatment of respiratory tract infections, sexually transmitted diseases, skin infections, ear infections, and pneumonia. It may also be used to prevent Legionnaires' disease.
Common side effects of zithromax include diarrhea, nausea, vomiting, abdominal pain or cramps), and headache. Rare but serious side effects include Stevens-Johnson syndrome (a rare allergic reaction that causes blistering on the skin and mucous membranes), liver damage or failure (caused by an overgrowth of fungus), QT prolongation (a potentially fatal heart rhythm disturbance), and pseudomembranous colitis (inflammation of the colon caused by overgrowth of Clostridium difficile bacteria).