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searching for cheap viagra? canadian viagra for sale online If you need viagra real viagra online without prescription If impotence is related to a treatable medical condition, will ED symptoms resolve with successful treatment for the underlying disorder? Many specific therapeutic options are now available for erectile dysfunction, with varying degrees of patient satisfaction. These include established nonpharmacologic treatments such as vacuum erection devices, penile prostheses or penile revascularization. Referral to a psychologist or psychiatrist with expertise in sexual dysfunction may be beneficial for patients with psychogenic erectile dysfunction.8 Currently available pharmacotherapeutic agents are compared in Table 3. Vardenafil was evaluated in four multicenter, randomized, placebo-controlled trials involving more than 2400 men (78% white, 7% black, 2% Asian, 3% Hispanic) with erectile dysfunction. Two of these trials were conducted in special erectile dysfunction populations; one in men with diabetes mellitus, another in men who developed erectile dysfunction after prostate surgery. The doses of vardenafil in the four studies were 5 mg, 10 mg, and 20 mg. Another herbal remedy for erectile dysfunction is Tongkat Ali or Eurycoma longfolia. This herbal medicine is often created within the countries of Malaysia and Indonesia and was proven to be a robust aphrodisiac. Tongkat Ali is additionally known to enhance the degree of testosterone and increase libido.