Viagra is a sildenafil citrate medication and was originally studied for use in treating pulmonary hypertension and angina pectoris. Pulmonary hypertension is an increase of blood pressure in the pulmonary artery. Angina pectoris is the clinical term for chest pain or discomfort when the heart muscles do not get the required amount of blood the heart needs to function properly. Initial clinical testing of the drug suggested the drug had very little effect on angina, but the drug could help induce an erection. Most of the men in the group that were part of that that initial testing group all had some level of erectile dysfunction due to hypertension, diabetes and other physical ailments.

After failing to demonstrate positive results for angina, a pharmaceutical company began to study sildenafil citrate for use in treating erecting dysfunction. After it was tested and approved for use in treating erectile dysfunction, it was marketed as Viagra. It is still used to treat hypertension under the name of Revatio.

Hypertension, commonly called high blood pressure, and erectile dysfunction seem to go hand in hand. High blood pressure is a clinical cause of erectile dysfunction and controlling one usually controls the other. There have been considerable studies completed to suggest, and in many cases document, the correlation between high blood pressure and erectile dysfunction.

Sildenafil citrate has the same side effects whether treating high blood pressure or erectile dysfunction and includes headaches and facial flushing, nasal congestion, back pain and indigestion. The side effects are temporary, and in most cases very mild. When used to treat hypertension, sildenafil citrate works to widen the arteries enough to lower blood pressure.

Sildenafil citrate is also effective when treating Mountain Sickness which is pulmonary artery pressure at high altitudes, Reynaud’s Phenomenon which is exposure to the cold that triggers small artery spasms and Heart Disease which includes diastolic dysfunction and congestive heart failure.

Sildenafil, whether used as Viagra Canadian or Revatio, has become a popular and effective method of treating several health challenges without causing other health risks. Taken orally and as directed, the user will find positive effects from the drug.

Before using either drug, always consult a medical professional and confirm the presence of an exact affliction and rule out all other health and physical issues. The medication should always be taken as directed in the time frames prescribed. Taking more of the medication than prescribed will not increase the positive effects.