What is the usual indication for the medication Azithromycin?

Azithromycin is primarily indicated as an antibiotic. It belongs to a class of drugs known as macrolide antibiotics and is used to treat various bacterial infections. Azithromycin works by inhibiting bacterial protein synthesis, which ultimately prevents the growth and reproduction of bacteria. It is commonly prescribed for respiratory tract infections, skin infections, ear infections, and certain sexually transmitted infections.

The other choices do not represent the function of Azithromycin. Pain relief medications focus on alleviating discomfort, anti-diabetic medications are used to manage blood sugar levels in people with diabetes, and diuretics are utilized to promote the excretion of water and salts from the body, typically for conditions like high blood pressure or leg swelling.