It is one of the most widely used antibiotics in the world and is well tolerated by patients of all ages. Azithromycin is only effective against certain types of bacteria and does not fight viral infections. Azithromycin is an antibiotic that fights bacteria. It is used to treat various types of bacterial infections, including respiratory infections, skin infections, ear infections, eye infections, and s*xually transmitted diseases. Azithromycin tablets are macrolide antibiotics that prevent bacterial growth and reproduction by inhibiting protein synthesis. These medications are used to treat or prevent various bacterial infections.