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 OTHER NAMES
- Treatment of the powerlessness,
- Viagra,
- Sildenafil.
SILDENAFIL (Viagra ®)
It is the first medicine that left to the market in his group of performance for the erectile malfunction. In the realized studies, sildenafil it improved the erections in 3 of every 4 participants (~75 %), compared with only 1 of every 4 that they improved on having taken a placebo; with sildenafil, 1 of every three attempts of coitus was a success - compared with only 1 of every 5 attempts in patients with placebo-. Viagra ® increases a substance called cyclical GMP, which takes place in the penis during the sexual activity and which increases the blood flow.
This way, sildenafil there increases the flow of the penis of natural form, so that the sexual stimulation causes erection. Viagra ® is, then, neither an aphrodisiac, nor a hormone, nor a product that causes per erection, but only it helps to obtain an erection when sexual stimulation exists. Viagra ® takes "to demand" - only when it is wished - and his action begins in 30 minutes and lasts up to 4 hours. Any more than 1 tablet is not recommended a day. The collateral effects include digestive inconveniences, headaches, facial reddening and muscular pains, and, in 3 % of the agreements, alterations of the vision. As other substances to treat that OF, Viagra ® is contra-indicated in case of cardiac illnesses, and especially, one must never associate with the medicines called nitrates (for example, the nitroglycerine that is used under the language to treat the angina pectoris); in association with SILDENAFIL, the nitrates can lower the arterial tension sudden up to dangerous levels.
WHAT DOCTOR CAN TREAT ME?
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DENOMINATION 
