Althrocin 500 tablets belongs to a group of medicines known as macrolide antibiotics. It's widely used to treat chest infections (pneumonia), skin conditions (acne and rosacea), dental abscesses (A pocket of pus in a tooth caused by an infection), and sexually transmitted infections. Althrocin-500 Tablet 10's are generally used to treat ear and chest infections in children. Infection is a condition in which bacteria grow in the body and cause infection. It can target any body part and multiple very quickly.