Although Sildenafil citrate has been primarily used to treat erectile disfunction, this chemical also has health benefits for the heart. When Sildenafil was tested on mice, it had the effect of reversing the long term damage to the heart caused by chronic hypertension. The way that Sildenafil citrate works to maintain an erection is to expand genital blood vessels that carry the blood supply to the penis when aroused. In the same way, Sildenafil can benefit the heart to treat pulmonary hypertension. By dilating the blood vessels, Sildenafil causes a drop in blood pressure required to pump blood through the body. While conducting experiments on mice, researchers realized that sildenafil was able to stop the short term effects of hormonal stress and reverse the long term damage on the heart muscle. The effects of heart failure and cardiac hypertrophy were also improved by sildenafil in mouse experiments, although this effect was not tested on human subjects. To prove its effectiveness in humans, thirty five men and women participated in the John Hopkins study. In this test, volunteer participants took an injection of dobutamine, a chemical that increases the heart rate and contraction of the heart muscle. The heart rates of [...]

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Viagra and Priapism Viagra has already helped millions of men in America that are suffering from erectile dysfunction. Unfortunately there are certain risk factors associated with Viagra as there are with any other type of medication. One side effect that should be considered very serious is priapism; priapism is when a man experiences an erection lasting longer than four hours. Viagra Viagra also called the little blue pill, and sildenafil citrate, is a medication taken only by men that are experiencing either erectile dysfunction or pulmonary hypertension. Viagra has proven that is more that capable to treat erectile dysfunction. Viagra works by releasing nitric oxide into the blood stream; the nitric oxide relaxes the smooth muscle in the penis and increases blood flow to the penis. With the smooth muscle relaxed, the blood is able to reach the penis easier and more efficiently. This allows the penis to become hard and elongated, once this happens the man can enjoy sexual intercourse and receive maximum pleasure. Viagra can also help men experiencing hypertension, or high blood pressure. The nitric oxide in Viagra effectively lowers blood pressure to help increase blood flow. Men with low blood pressure should not take Viagra because [...]

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