Sildenafil citrate, is the generic form of Viagra or Revatio and other Brand Names. This prescription drug is used to treat erectile dysfunction and pulmonary arterial hypertension. Sildenafil citrate works by inhibiting a specific enzyme that regulates blood flow to the penis. Sildenafil has been available since 1998 and has been primarly used to treat male impotence. Viagra (Sildenafil Citrate) is not the only medication used to treat ED, some competitors would be tadalafil (Cialis) and vardenafil (Levitra). Sildenafil is also known as the "blue pill."

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Uses of Sildenafil citrate

Sexual dysfunction

Sildenafil is primarily used in the treatment of erectile dysfunction.  Its use is now standard treatment for male impotence in all settings, including diabetes. Studies have shown that people who are on antidepressants and are experiencing sexual dysfunction as a side affect would benefit from the the use of sildenafil citrate. Generic viagra has proven to be effective in both men and women to help regain normal sexual function.

Pulmonary Hypertension

Sildenafil is not only useful to treat erectile dysfunction but is also effective treating a rare disease called pulmonary arterial hypertension (PAH). Viagra is effective in treating both because Sildenafil treats both the lungs and penis. PDE-5, is a medication used to block the degradative enzyme of phosphodiesterase type 5 on cyclic GMP in the smooth muscle cells lining supplying blood to the penis. Sildenafil works very selectively in both areas with out introducing vasodilation to other areas of the body.

Altitude Sickness

New discoveries have shown that Sildenafil is a very good treatment and prevention of a altitude sickness called "High Altitude Pulmonary Edema," this condition is usually suffered by mountain climbers. This treatment is very good in situations where the normal treatment of rapid decent has been postponed for some reason.

Side effects of Sildenafil

Most common side effects of the sexual stimulant Sildenafil would include headache, flushing, dyspepsia, nasal congestion and impaired vision. Very rare but serious adverse effects include sudden hearing loss, severe hypotension, stroke, myocardial infraction, ventricular arrhythmia, increased intraocular pressure and priapism.

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