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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.
Who is Viagra for?
Viagra is for those who suffer with erectile dysfunction (ED) or PAH. It has also been shown to help with altitude sickness. Erectile dysfunction can occur for a variety of reasons including depression and in the treatment of depression. It is also a common occurrence in older men. A clinical trial in the UK in 2007 allowed men aged between 30 and 65 to buy the tablets. Generally speaking there is no benefit to young healthy males who are able to achieve erections without difficulty.
Who should not take Viagra?
The drug should not be taken if you are using a nitrate drug. Some recreational drugs are also nitrate-based. Men who are advised against sexual intercourse due to cardiovascular risk are also not advised to take the drug. If you suffer from decreased liver function, renal function, have hypotension, or have suffered a recent stroke or heart attack you should not take Viagra
What are the effects of Viagra?
Viagra enhances the ability to achieve and maintain an erection. It is now the standard method for treatment of erectile dysfunction. The drug has been shown to aid sexual function in both men and women who take antidepressants. When branded as Revatio the drug is used to treat PAH. It relaxes the arterial wall which reduces the workload of the right side of the heart, thus helping to reduce the risk of right-sided heart failure. It has recently been discovered that the rare mountaineers’ condition called high altitude pulmonary edema can be aided through the use of the Viagra drug.
What are the side effects of Viagra?
If taken with a nitrate drug the user may suffer from several serious side effects including fainting, and more seriously a stroke or heart attack. Sudden vision loss may be experienced in a small number of cases due to decreased blood flow to the optic nerve. However, this usually occurs only if the patient has one of several other qualifiers including heart disease, diabetes, high blood pressure, high cholesterol, a pre-existing eye-condition, or smokers and those over 50 years of age. If sudden vision loss is experienced seek emergency medical help. Painful erections may occur, and sometimes erections lasting for more than four hours can be experienced. In this case it is important to seek emergency medical treatment as erections over four hours can cause lasting damage to the penis. Other serious symptoms include being short of breath, swollen hands and feet, chest pains and nausea, sudden loss of hearing and fainting.
