As an adult male with erectile dysfunction, Suhagra 100mg is typically used as part of a class of medications known as phosphodiesterase type-5 inhibitors. In order to enhance exercise tolerance and prevent clinical deterioration, Suhagra may also be used to treat pulmonary arterial hypertension in adults. Keep out of direct sunlight in a cool, dry place. The best time to take it orally is 30 to 1 hour before engaging in sexual activity, along with water. In order to help men get and keep an erection while sexually stimulated, suhagra increases blood flow to the penis.  Because it puts stress on your body, especially the heart, sexual activity demands a lot of stamina.