Althrocin-500 Tablet is 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. On the other hand, in children, Althrocin-500 Tablet is generally used to treat ear or chest infections. Bacterial infection is a condition in which bacteria grow in the body and cause infection. It can target any body part and multiple very quickly.