Zyto 250mg tablets contain azithromycin, a broad-spectrum antibiotic used to treat bacterial infections such as respiratory tract infections, skin infections, ear infections, and certain sexually transmitted infections. This pack contains 6 tablets. Azithromycin works by stopping the growth of bacteria. It should be taken as prescribed by a healthcare professional. Complete the full course of treatment even if symptoms improve early. Avoid use if allergic to macrolide antibiotics.