Suhagra 100 is very famous for treating erectile dysfunction. The drug contains a chemical called sildenafil citrate. The use of this drug slowly loosens the blood vessels in the penis and increases the blood flow in the blood vessels. So that men can easily get erect and maintain for a long time. The effect of this drug occurs within 30-40 minutes of taking the tablets. These tablets should be taken only once a day otherwise it has side effects.