Viagra also know as Sildenafil, is a drug used to treat erectile dysfunction and pulmonary arterial hypertension. It is available worldwide and its main competitors are tadalafil (Cialis) and vardenafil (Levitra). Viagra is used to treat impotence in men. Impotence occurs when a man cannot achieve or maintain an erection long enough to have sex. Viagra works by relaxing the blood vessels in the penis, which increases blood flow to the penis and causes an erection.
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You have to be sexually excited for it to work. Viagra is swallowed whole with a full glass of water about one hour before you intend to have sex. As a medication, Viagra is very effective and should be administered with caution. For example, many heart patients take drugs with nitrates, which, when taken with Viagra, can cause a sudden and dangerous drop in blood pressure. Other side effects include a headache, a reddening of the skin of the face and neck, and an upset stomach. Some men may experience minor vision problems. More important is the fact that impotence, or erectile dysfunction, can be the result of factors which should not be treated with a pill, no matter how effective. For example, certain medications (antidepressants) can cause the loss of ability to achieve erection, as can an individual’s lifestyle (poor diet, not enough sleep, too many “recreational” drugs or alcohol, obesity, smoking, etc.) Obviously if any single one of the factors above, or a combination thereof, is the cause of the man’s impotence, changing those factors would be a far better solution to the problem than taking a pill. In addition, if these other factors are present, it is likely that they are affecting the relationship in ways other than merely in the area if sexuality. In other words, problems which affect the health (psychological, physical or emotional) of an individual (and which therefore affect his sexual functioning) will negatively affect not only that individual’s life but the life of his partner and their relationship. In such cases, a pill may be a quick fix for the man’s inability to achieve an erection, and it may improve the physical aspect of the couple’s sexual life together, but it will not treat those problems beyond the sexual category. In fact, it will likely make those problems worse because they will not be dealt with, but will be temporarily masked instead by the couple’s focus on their reinvigorated sex life.
In Australia, Viagra is available through the website www.viagra.com which offers a 50 percent discount or at local or preferred online pharmacy. Another good website for this product is http://www.edonlinestore.net which is an online pharmacy that offers free shipping. There are many ways to buy Viagra online, often without a prescription. However, you cannot be certain whether these pills contain the drug or are counterfeit. It’s important to buy medications from a store-based pharmacy or reputable online pharmacy that requires a prescription. If you are suffering an acute illness, overdose, or emergency condition, call triple zero (000) and ask for an ambulance.

I am self employed. General Practitioner in Melbourne, VIC. My special interest: male reproductive system.