It's widely used to treat chest infections such as pneumonia, infections of the nose and throat such as sinus infection (sinusitis), skin infections, Lyme disease, and some sexually transmitted infections. Azithromycin is used in children, often to treat ear infections or chest infections. It can also be used long term to prevent chest infections in people who keep getting them. The medicine is available on prescription as capsules, tablets and a liquid that you drink. It can also be given by injection, but this is usually only done in hospital. Azithromycin is usually taken once a day, unless you're having it by injection. Try to take your medicine at the same time each day. Azithromycin belongs to the family of medications known as macrolide antibiotics. It is used to treat certain types of infections that are caused by bacteria. It is most commonly used to treat ear infections (e.g., otitis media), throat infections, lung infections (e.g., pneumonia), certain sexually transmitted infections, and skin infections. It can also be used to prevent mycobacterium avium complex (MAC) infections in people with HIV infection and to treat flare-ups of chronic obstructive pulmonary disease (COPD) caused by bacteria. Your doctor may have suggested this medication for conditions other than the ones listed in these drug information articles. If you have not discussed this with your doctor or are not sure why you are being given this medication, speak to your doctor. Do not stop using this medication without consulting your doctor.
Originally Answered Can azithromycin treat urinary tract infection. by effective in treating a urine infection that antibiotic needs to be excreted by the kidneys. Had an Rx for Azithromycin 250mg bd for 5 days. Patient indicated this was for a kidney infection. I asked if it was an STI but was assured it was.