Canesten Solution contains the an antifungal Clotrimazole and is indicated for use in the treatment of a number of fungal skin infections as follows: Ringworm. Athletes Foot. Fungal intertrigo: fungal infection of the skinfolds. Canesten Solution can also be used to treat fungal infections of the outer (otitis externa) or middle ear (otomycoses). Clotrimazole belongs to a group of medicines called imidazoles and is an antifungal agent which fights the cause of fungal skin and ear infections. The solution is designed to be used to treat all fungal skin infections due to dermatophytes, yeasts, moulds and other fungi. The solution is particularly suitable for use on hairy skin and comes in an easy-to-use dropper bottle.