Canesten Athlete's Foot Dual Action 1% Cream is a prescription strength treatment for athlete's foot. It is also effective at treating jock itch. This foot cream contains a powerful antifungal which helps fight the cause of athlete's foot. Canesten products contain clotrimazole an effective antifungal which helps treat fungal conditions such as yeast infections and thrush. Clotrimazole helps to prevent fungal bacteria from growing on the affected area. Unlike antibiotics clotrimazole products are usually applied directly to the skin to inhibit fungal growth directly.