Sildenafil – how does sildenafil work

Other uses for this medicine This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information. Brand names Why is this medication prescribed? In patients with vasoactive pulmonary arterial hypertension, vasodilation of the pulmonary artery leads to reduced resistance to blood flow, with subsequent reductions in mean pulmonary arterial pressure. When hypertension occurs in the lungs, the heart must work harder to pump enough blood through the lungs. Some medications should not be taken with sildenafil. From Mayo Clinic to your inbox Sign up for free and stay up to date on research advancements, health tips, current health topics, and expertise on managing health. Do not take a double dose to make up for a missed one.Sildenafil treats erectile dysfunction by increasing blood flow to the penis during sexual stimulation. This increased blood flow can cause an erection. Sildenafil treats PAH by . The active drug in Viagra is sildenafil. It belongs to a group of drugs called phosphodiesterase-5 inhibitors. Viagra comes as tablets you take by mouth. You’ll only . Sildenafil is a medicine used to treat erection problems (erectile dysfunction). Sildenafil is also sometimes used to treat pulmonary hypertension (high blood pressure in the blood .

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