Uses
Sildenafil’s primary use is to treat erectile dysfunction under the marketing name of Viagra. It is commonly referred to as the blue pill. It works especially well for men with diabetes and men on antidepressants. Sildenafil can also reduce pulmonary arterial hypertension. It works by relaxing the wall of the artery, which results in a decrease of pressure. As a result the heart does not have to work as hard to pump blood. The drug is called Revatio when it is used to treat pulmonary arterial hypertension. Sildenafil citrate also reduces altitude sickness. It is now popular with mountain climbers and others forced to experience high altitudes. Studies are also looking into its effectiveness in reversing jet lag as well as its uses in women with poor sex drive. Some athletes believe that the blue pill enhances their abilities by opening blood vessels and allowing more oxygen enriched blood to circulate through the body.
Contraindications
Viagra blue pills should not be taken with certain medications and during particular illnesses or diseases. Do not take Viagra blue pills if nitrates, organic nitrites or nitric oxide donors have been prescribed. Viagra should not be used if taking the recreational drugs referred to as nitrite poppers. Men should not take Viagra if their doctor has advised them not to have sex due to heart disorders. Decreased liver function and renal disease are also contraindicated. Do not take the Blue Pill if you have low blood pressure or a recent stroke or heart attack. Finally, refrain from taking this drug if you have a genetic predisposition to retinal disorders. Viagra’s adverse side effects can be multiplied in patients taking protease inhibitors. Using Viagra with alpha blockers can lead to excessively low blood pressure.
Side Effects
Viagra can have an effect on PDE6 that is used by the cone cells in the eye. This can have an adverse effect on color vision. People taking Viagra can see a haze of blue around everything for a few hours after taking the pill. Viagra can also cause headaches, flushing, stuffy nose and upset stomach. Vision may be blurry and in rare cases Viagra can cause sudden blindness. Heart attack, stroke, irregular heartbeat and deafness can also occur.
Today, Sildenafil citrate or Viagra has competition from other drugs such as Cialis and Levitra. As a result its market share has dropped from over 75% to 50%. Nevertheless, it is a popular drug for treating erectile dysfunction and has been recommended by several celebrities including Bob Dole and Hugh Heffner. The Blue Pill, Viagra, still continues to be the market leader.
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