Malegra 100 tablet are very useful for patients with low erection. It also contains an ingredient called Sildenafil Citrate, which relaxes the muscles by increasing the amount of blood in the arteries of the penis. A strong erection can be enjoyed using this medicine 30-40 minutes before intercourse. This drug should only be taken by men over 18 years of age. This medicine should be used only on the advice of a doctor. It is advisable to use this medicine only once in 24 hours.