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SILDENAFIL (VIAGRA Ž). Recently approved for use in Europe and the United States is the oral medication that has shown promising results in the ED. In studies, sildenafil improved erections in 3 out of 4 participants (~ 75%), compared with only 1 in 4 who improved while taking placebo, with sildenafil, one of three attempts was successful intercourse, compared with only 1 in 5 attempts in placebo patients. Viagra Ž increases a substance called cyclic GMP, which comes at the penis during sexual activity and increases blood flow. Thus, sildenafil enhances penile flow naturally, so that causes sexual stimulation erection. Viagra Ž is not therefore an aphrodisiac or a hormone, not a product per se that causes erections, but only helps to get an erection when sexual stimulation. Viagra Ž is taken on demand, only when you want ", and its action begins in 30 minutes and lasts up to 4 hours. Not recommended more than one tablet daily. Side effects include stomach aches, headaches, flushing and muscle aches, and in 3% of the treaties, changes in vision. Like other drugs to treat ED, Viagra Ž is contraindicated in cases of heart disease, and especially, never to be associated with medications called nitrates (eg., Nitroglycerin is used under the tongue to treat angina pectoris) , in association with sildenafil, nitrates may lower blood pressure to dangerous levels sharply. Yohimbine. Used as a folk medicine for years, there is now evidence that can improve the power in one third of men with mild, especially in combination with the antidepressant trazodone. Hormone treatments. Testosterone therapy is indicated only in men with hypogonadism (low levels of male hormone). Can be used orally or in patches. Testosterone is not never recommended for men with normal levels of male hormone, in these may improve sex drive, but at the expense of causing damage to the prostate and liver, sometimes irreversible. When the impotence is due to excessive levels of the hormone prolactin, the drug may be useful bromocriptine. Other: They were used with varying degrees of success, drugs such as pentoxifylline (Elorgan Ž), naltrexone, an antidote for heroin and morphine-, or antihypertensive minoxidil. 5) and transurethral injection therapy. It consists of injecting drugs in the erectile tissue to relax the smooth muscles of the penis and allow the erection to take place. It is indicated in some cases of ED. The drugs are usually injected papaverine-phentolamine associations or alprostadil (prostaglandin E1). Adverse reactions are generally minor but can include prolonged and painful erections (priapism). An alternative to injections is a plastic device for applying these drugs through the urethra. Although safer and less expensive than surgical treatments, these therapies have a high rate of dropouts, as the loss of spontaneity does lose interest in the proceedings.

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