Sildenafil acts as the active ingredient in Malegra 100 mg pills. Malegra 100 Mg is taken to you one hour before sexual intercourse. The effect lasts for 5-6 hours after taking it. Malegra 100 Mg is the best drug used by men. Malegra 100 is good medicine to keep away from small children and pets. It is important to consult a doctor before taking Malegra 100. Malegra 100mg is more commonly used by men. ED is the best drug to solve the problem.