Lunafil 1% Dusting Powder is an antifungal medicine that helps treat infections of the skin, fingernails, and toenails. It kills fungi by destroying the fungal cell membrane thereby stopping the growth of fungus. Lunafil 1% Dusting Powder 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. You must wash your hands thoroughly before and after the medicine application. Do not use the medicine for longer than your doctor has told you to and let him or her know if your condition does not improve after 2 to 4 weeks of treatment. 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 of this medicine include skin irritation, redness, or itching at the site of application. Please consult your doctor if these side effects persist for a longer duration. Avoid direct contact with your eyes. In case of direct contact, wash your eyes with water and seek immediate medical attention. You should stop taking it straight away if you have any signs of an allergic reaction such as rash, swelling of the lips, throat, or face, swallowing or breathing problems, dizziness, and nausea. It is not likely that other medicines you take by mouth or injection will affect the way this medicine works, but talk to your doctor before using it if you have recently used another medicine that contains a steroid or had an allergic reaction to another antifungal medicine. This medicine should only be used if it is clearly needed if you are pregnant or breastfeeding. Ask your doctor if it is safe.