Ketoms Shampoo is an antifungal medicine. It is used to treat skin infections caused by fungi. These include athlete’s foot, ringworm, vaginal thrush, and sweat rash. It works by killing and stopping the growth of fungi, thereby clearing the infection and relieving the symptoms. You should use this medicine for as long as it is prescribed, even if your symptoms disappear, otherwise they may come back. Depending on the type of infection you are treating, this may be several weeks.