Viagra 100Mg Tablet belongs to the group of medicines called phosphodiesterase type-5 (PDE 5) inhibitors primarily used to treat erectile dysfunction (impotence) in adult men. Additionally, Viagra 100Mg Tablet may also be used to treat pulmonary arterial hypertension (high blood pressure in the lungs) in adults to improve the ability to exercise and to slow down clinical worsening. Viagra 100Mg Tablet works by relaxing the blood vessels in the penis, thereby allowing the blood to flow into the penis when the person is sexually excited.
