Fucidin cream works by killing germs (bacteria) that cause infections. It is used to treat skin infections such as those caused by bacteria called Staphylococcus aureus. Topical fusidic acid is occasionally used as a treatment for acne vulgaris. As a treatment for acne, fusidic acid is often partially effective at improving acne symptoms.
Apply a small amount to the affected area 3 or 4 times daily until the infection has cleared.