MedlinePlus states that azitromicina 500mg is a macrolide antibiotic used to treat bacterial infections, such as bronchitis, pneumonia, sexually transmitted diseases and infections involving the ears, lungs, sinuses, throat, skin and reproductive organs. In the English language, azitromicina translates to azithromycin.
Azitromicina is occasionally used to treat travelers' diarrhea and other infections involving the digestive tract. It is also used to treat pertussis, or whooping cough, and a lung infection known as Legionnaires' disease, according to MedlinePlus. Victims of sexual assault are sometimes prescribed azitromicina to prevent sexually transmitted disease. Common side effects of azitromicina include nausea, vomiting, diarrhea, stomach pain and headache.