Erythromycin (Erzin) 500mg Film Coated Tablet 100's is an antibiotic medication used to treat a variety of bacterial infections. It works by inhibiting the growth of bacteria, effectively helping to eliminate infections such as respiratory, skin, and ear infections. Each tablet contains 500mg of erythromycin, and it is available in a pack of 100 tablets. This medication should be taken as prescribed by a healthcare professional to ensure effectiveness and prevent resistance.