Wash, then dry the area using a clean towel. Apply the antifungal cream, powder, or spray as directed on the label. Change your clothes, especially your underwear, every day. It's important to continue this treatment for 2 weeks, even if symptoms disappear, to prevent the infection from recurring. If these steps don't work, it's a good idea to see a doctor. Sometimes, a doctor may need to prescribe a stronger antifungal cream, spray, or pill.