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For people with pulmonary veno-occlusive disease (PVOD): Taking this drug may worsen your heart function. At 24 hours the plasma levels of sildenafil were still approximately 200 ng/mL, compared to approximately 5 ng/mL when sildenafil was dosed alone. These doses represent, respectively, about 20 and 40 times the Maximum Recommended Human Dose (MRHD) on a mg/m² basis in a 50 kg subject. There are possible side effects with Viagra and it is not a bad idea to think twice about taking it. He or she will do a physical examination, look at your current medications, and will decide which medication you would benefit from. Do you have any other physical conditions that may be causing it, such as other vascular problems, issues with nerves that send the arousal signal from the brain and spinal cord to the penis (common in diabetes), problems with the structure of the penis or the surrounding tissue, low testosterone, or use of tobacco, alcohol, or illegal drugs?

Food and Drug Administration (FDA), for the treatment of erectile dysfunction. Do not take Viagra if you are also using a nitrate drug for chest pain or heart problems.

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The second group may have been thinking with their head and not another part of their body. It's even been known to cause heart attacks and strokes, especially when taken with certain other medications (including recreational drugs like cocaine or ecstasy). A: Viagra (sildenafil) is classified as a phosphodiesterase 5 enzyme inhibitor. A: There is no generic on the market for Viagra (sildenafil). I can imagine people with naturally low cholesterol before taking statins may suffer side effects though.

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Geriatric Use Healthy elderly volunteers (65 years or over) had a reduced clearance of sildenafil resulting in approximately 84% and 107% higher plasma AUC values of sildenafil and its active N-desmethyl metabolite, respectively, compared to those seen in healthy young volunteers (18-45 years) [see CLINICAL PHARMACOLOGY]. VIAGRA is a prescription medicine used to treat erectile dysfunction (ED). McLeod AL, McKenna CJ, Northridge DB "Myocardial infarction following the combined recreational use of Viagra and cannabis." Clin Cardiol 25 (2002): 133-4 17.

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Both dopamine and norepinephrine are important for sexual excitement. If priapism is not treated immediately, penile tissue damage and permanent loss of potency could result. The FDA hasn’t approved Viagra itself for women to use. Drug Interactions DRUG INTERACTIONS Nitrates Administration of VIAGRA with nitric oxide donors such as organic nitrates or organic nitrites in any form is contraindicated. Symptoms may include swelling, pain, and problems with urination. A: It costs pharmacies a lot of money to purchase brand-name drugs from wholesalers. Not sure how to ask the pharmacist for VIAGRA connect? The current patent on Viagra is set to expire in 2011, so as long as they don't get any extensions on their patent, a generic version should be coming out at that time. Ask your health care provider for samples or coupons to help with the cost of this medication. Most medications can be cut in two if they are not extended release, but you should always check with your doctor or pharmacist, as the guideline is not always true. Viagra (sildenafil) relaxes muscles found in the walls of blood vessels and increases blood flow to particular areas of the body. Nevertheless, Osol says the findings being reported "are exciting because they suggest that Viagra (or other drugs that inhibit PDE-5, the enzyme that normally inhibits blood vessels' ability to expand) may have beneficial effects in hypertensive pregnancy and, possibly, preeclampsia. It is also the first PMED available for erectile dysfunction in the UK, meaning you can purchase without a doctor's prescription. A review published three years after the FDA approval of Viagra for treating erectile dysfunction summarizes the worldwide responses to treatment. A: Brand-name prescription drugs are protected under patent.