Fonafirst Cream is an antifungal medication. It is used in the treatment of fungal skin infections such as ringworm, athlete’s foot, nappy rash, sweat rash, and vaginal thrush. It kills fungi by destroying the fungal cell membrane. Fonafirst Cream is for external use only. You should use it in the dose and duration as advised by your doctor. The affected area should be clean and dry before application of the medicine. Do not use more than you need as it will not clear your condition faster and some side effects may be increased. If your condition goes on for longer than four weeks or gets worse at any time, let your doctor know. The effects of the medicine can be increased by keeping the affected area clean and dry, and washing hands before and after treating the infection. If you have athlete’s foot, wash your socks or tights thoroughly and change your shoes daily if possible.Some of the common side effects include skin irritation, redness, or itching at the site of application. If the side effects bother you or do not go away, let your doctor know. Some people have a severe allergic reaction which needs urgent medical attention. Signs of this include rash, swelling of the lips, throat or face, swallowing or breathing problems, dizziness and nausea. Get emergency help if this happens.It is not likely that other medicines you take by mouth or injection will affect the way it works but talk to your doctor before using it if you have used a similar medicine before and had an allergic reaction. This medicine should only be used if it is clearly needed during pregnancy.