SILDENAFIL (VIAGRA) AND THE HEART – PMC – National Center for

Generic Viagra, or sildenafil citrate, works the same as the brand-name version but comes at a lower cost. Health Conditions; Discover Blood pressure and heart medications. Viagra treats erectile dysfunction (ED) in adults. It s usually taken about 1 hour before sexual activity. Below, you ll find information about recommended dosages and how to take Viagra. When hypertension occurs in the lungs, the heart must work harder to pump enough blood through the lungs. Sildenafil 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. This medicine is available only with your doctor’s prescription. viagra and heart failure Viagra may not be safe for you if you have high blood pressure, kidney problems, or a heart condition, for example. It also may interact negatively with some other medications. Viagra should only Heart conditions or stroke. Viagra may not be safe for you if you have a heart condition such as angina, heart failure, irregular heartbeat, or aortic stenosis. As well, it may not be safe if you ve had a stroke, heart attack, or other heart condition in the past. That s because the combined effect of taking Viagra and having sexual

What should I tell my healthcare provider before taking VIAGRA? Before you take VIAGRA, tell your healthcare provider if you: have or have had heart problems such as a heart attack, irregular heartbeat, angina, chest pain, narrowing of the aortic valve or heart failure; have had heart surgery within the last 6 months

For oral dosage form (tablets): Adults up to 65 years of age50 milligrams (mg) as a single dose no more than once a day, 1 hour before sexual intercourse. Alternatively, the In 2024, Pfizer, the maker of both Revatio and Viagra, sued Teva for patent infringement, or trying to introduce a generic version several years before Pfizer’s patent for Viagra was set to expire. Key facts. Sildenafil (Viagra) is a medicine used to treat erectile dysfunction (ED, also called impotence). Sildenafil works by helping to relax the blood vessels in the penis, allowing more blood to flow in and cause an erection. new use for viagra Cialis is an oral tablet that starts to work about 30 minutes after you take it. It can improve erectile function for up to 36 hours. The starting daily dose range is 2.5 to 5 milligrams (mg) but 4.1 Nitrates. Consistent with its known effects on the nitric oxide/cGMP pathway [see Clinical Pharmacology (12.1, 12.2)], VIAGRA was shown to potentiate the hypotensive effects of nitrates, and its administration to patients who are using nitric oxide donors such as organic nitrates or organic nitrites in any form either regularly and/or intermittently is therefore contraindicated. High-fat meals: Taking Viagra with a high-fat meal not only increases the time it takes for the drug to work but also decreases the concentration of Viagra in the bloodstream by 29%. Alcohol : As a depressant, alcohol slows blood circulation and the distribution of the drug throughout the body.

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