Fucidin-H antibiotic Cream 30 gm The combination Fusidic acid and Hydrocortisone Acetate is used to treat conditions where the skin is inflamed (eczema or dermatitis) and also infected by bacteria. Do not use Fusidic acid / Hydrocortisone Acetate: If you’re allergic to the active substances or any other component of this medicine. To treat a skin condition caused by a virus, such as cold sores or chickenpox. To treat a skin condition caused by a fungus. To treat a skin condition called acne rosacea. This is redness and inflammation over your nose and cheeks. To treat a skin condition called perioral dermatitis. This is a red spotty rash around your mouth or chin. To treat skin conditions caused by tuberculosis or syphilis