Azithromycin is used to treat certain bacterial infections, such as bronchitis; pneumonia; sexually transmitted diseases (STD); and infections of the ears, lungs, sinuses, skin, throat, and reproductive organs. Azithromycin Tablets, 500 mg are supplied as pink, oval shaped film-coated tablets, engraved with "LU" on one side and "L05" on the other side containing azithromycin dihydrate equivalent to 500 mg of azithromycin USP. Az 250mg Tablet is used in the treatment of Bacterial infections. View Az 250mg Tablet (strip of 6.0 tablets) uses, composition, side-effects, price, substitutes, drug interactions, precautions, warnings, expert advice and buy online at best price on 1mg.com Azithromycin oral tablet (Zithromax) is a prescription drug that's used to treat infections caused by bacteria. Learn about uses, dosage, and more.