Viagra is an FDA-approved drug; Viagra increases blood flow to particular areas of the body and relaxes muscles. Viagra is used to treat pulmonary arterial hypertension and improve exercise capacity in women and men.
Viagra is used for treating erectile dysfunction .It works by helping the blood flow into the penis to achieve and maintain an erection during sexual stimulation.
Viagra History
Viagra is also known as blue pills.Viagra Still Popular 10 Years Later developed accidentally by scientists at Pfizer Laboratories and was greenlighted for use by the FDA on March 27, 1998. A group of pharmaceutical chemists at Pfizer’s Sandwich, a research facility in England (Kent), worked together to synthesize a compound named Sildenafil. The medicine was initially formulated to treat hypertension angina pectoris and chest pains caused from the inadequacy of the blood circulation to the heart. The drug was tried on men in Swansea (Morriston Hospital), in 1991 & 1992.
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