Canesten hydrocortisone cream is used to treat athletes foot and fungal sweat rash when there are additional symptoms of inflammation such as swelling redness and itching canesten hydrocortisone cream treats the fungal skin infection and reduces the swelling and itching caused the active ingredient in canesten hydrocortisone cream is clotrimazole and hydrocortisone clotrimazole belongs to a group of medicines called imidazoles which destroy the fungi and some bacteria that causes the skin