Malegra 100 mg tablets contain sildenafil as the active ingredient which is the best medicine for the treatment of erectile dysfunction and impotence. Malegra tablet helps men to get a longer erection in their sex life. Malegra tablets should be taken by men over 18 years of age. The effect lasts for 24 hours. Therefore, this medicine should be taken 30 minutes before sexual intercourse. Do not take this medicine before taking it.