Formerly known as the “blue pill,” Caverta 100 mg is used for the treatment of erectile dysfunction (ED) in men. Erectile dysfunction is a condition in which a man is not able to achieve or sustain strong erections during sexual activity. This condition arises because of a decreased blood flow to the penis. The reduced blood flow might be caused due to anxiety, stress, depression, obesity, smoking, drinking, etc. However, an important thing to keep in mind is that this medicine will not work on erectile dysfunction is caused due to psychological problems.Caverta can also be used to treat pulmonary arterial hypertension, as well.