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What is Viagra? Viagra is a pharmaceutical drug which is primarily used in the treatment of erectile dysfunction (ED) but is also used to treat pulmonary arterial hypertension. An enzyme which regulates blood flow to the penis is inhibited when the drug is taken thereby increasing the local blood flow and creating a sustained erection. The drug also relaxes the arterial wall aiding those who suffer with PAH. It was initially studied for use in hypertension, but its current use was soon discovered. Taken in pill form this drug is widely available on prescription.
Please note that this drug is meant for men and is not licensed for use in women. However, it is not known to cause birth defects in unborn babies, though you should tell a doctor if you are using the drug and become pregnant. The effects of the drug are not known as far as it may pass into breast milk.
Special Precautions Viagra should not be taken by a person taking any nitrate drugs such as nitroglycerin patches, ointment and pills. Taking these drugs together may cause hypotension. People who have had heart problems over the last few months such as heart attacks, irregular heart rhythms, and unstable angina, chances are taking Viagra would increase the risk for recurrence of these diseases and complications. Hematologic disorders which may cause long lasting erection such as sickle-cell anemia, leukemia, and multiple myeloma should also be noted when using this drug for it may further prolong the erection time. Congenital structure abnormalities such as Peyronie’s Disease are also precautions because it would be painful for the person to have longer than usual erections. A history of or a preexisting eye problem should also be noted since Viagra may cause visual disturbances. Women are not suited for use of Viagra. There have been no studies proving the safety of using these drugs during pregnancy and lactation.
