Fusidic acid is used to treat infections caused by some bacteria, such as MRSA and leprosy. It is available as a cream, ointment, eyedrop, tablet or injection, and may have side effects such as liver damage. Fusidic acid is an oral antistaphylococcal antibiotic that has been used in Europe for more than 40 years to treat skin infections as well as chronic bone and joint infections. It is a steroidal antibiotic and the only marketed member of the ... Fusidic acid Brand names: Fucithalmic, Fucidin. Find out how fusidic acid treats skin and eye infections and how to take it. Know more about what is Fusidic Acid ? what are the side effects and its uses. Fusidic Acid is a medication for the treatment of skin infections.