This product is a combination of 2 medications: fusidic acid and betamethasone valerate. It is used to treat certain skin conditions (types of eczema) when bacterial infection is also present. Betamethasone is a medium- strength corticosteroid used on the skin to reduce the swelling, itching and redness that can occur in these types of conditions. This medication should be used short- term (upto 2 weeks) to treat eczema with bacterial infection. Using any antibiotic when it is not needed can cause it to not work for future infections.