Viagra is used to treat men who have erectile dysfunction (also called sexual impotence). Viagra belongs to a group of medicines called phosphodiesterase 5 (PDE5) inhibitors. These medicines prevent an enzyme called phosphodiesterase type-5 from working too quickly. The penis is one of the areas where this enzyme works. Erectile dysfunction is a condition where the penis does not harden and expand when a man is sexually excited, or when he cannot keep an erection. When a man is sexually stimulated, his body's normal response is to increase blood flow to his penis to produce an erection. By controlling the enzyme, Viagra helps to maintain an erection after the penis is stroked. Without physical action to the penis, such as that occurring during sexual intercourse, Viagra will not work to cause an erection. Viagra is also used in both men and women to treat the symptoms of pulmonary arterial hypertension. This is a type of high blood pressure that occurs between the heart and the lungs. When hypertension occurs in the lungs, the heart must work harder to pump enough blood through the lungs. Viagra works on the PDE5 enzyme in the lungs to relax the blood vessels. This will increase the supply of blood to the lungs and reduce the workload of the heart.
Other names for this medication:
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Eulexin,
Intagra,
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Lovegra,
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Silagra,
Sildalis,
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Sildigra,
Suhagra,
Veega,
Viagra,
Vigora,
Womenra,
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