Hi thanks for asking question in HCM. Whenever you are infected with fungi apply local antifungal ointment over it that you have mentioned. After treating infection preventive care has to be taken. here is few suggestion. Wear clean cloths and undergarments. Wash cloths in warm water if feasible. Make affected area clean with taking proper bath and keep that area dry.Moisture aggravate fungal infection. Warm water bath helpful.especially salt added war water helpful for bathing. Take healthy nutritional diet with more fruits and vegetables. Garlic, cocconut oil,onion like foos found to be helpful. Olive leaf paste made by water can be applied over affected area,found useful in few study. If severe fungal infection oral antifungal tablet can be taken. My suggestion will surely help you.