what does a z pak do
Zithromax (Z-Pak) Zithromax (azithromycin), also known as Z-Pak, is an antibiotic that treats a number of infections. Approved by the FDA in 1991, doctors first used it to treat respiratory and skin infections. Later, health care providers prescribed it for other bacterial infections.
Quick Answer. According to MedlinePlus, a Z-Pak contains azithromycin tablets and is used to treat certain bacterial infections, including bronchitis, pneumonia, sexually transmitted diseases, and infections of the ears, lungs, sinuses, skin, throat and reproductive organs.