Using Silagra 50 can treat male sexual impotence. Sildenafil is used as the main ingredient in this medicine. This medicine can be used on an empty stomach. This drug works to... moreUsing Silagra 50 can treat male sexual impotence. Sildenafil is used as the main ingredient in this medicine. This medicine can be used on an empty stomach. This drug works to increase the flow of blood in the blood vessels and relax the nerves. The effect of this drug lasts for 4 to 6 hours. Consult a doctor if more effects are seen.