Canesten Hydrocortisone cream is used to treat athletes foot & fungal sweat rash when there are additional symptoms of inflammation such as swelling, redness & itching. Canesten Hydrocortisone cream treats the fungal skin infection & reduces the swelling & itching caused. The active ingredient in Canesten Hydrocortisone cream is Clotrimazole & Hydrocortisone. Clotrimazole belongs to a group of medicines called Imidazoles which destroy the fungi & some bacteria that causes the skin infections. Hydrocortisone is a mild steroid which reduces swelling, redness & itching associated with inflammation of the skin.