1History OF VIAGRAAt first, Viagra was worked by Pfizer specialists working in the U.K. They were, in all legitimacy, managing a drug for hypertension, or hypertension, and angina pectoris, a sign of ischemic coronary infirmity. In the midst of the stage 1 essentials, it was seen that the medicine neared no to execute angina yet instigated checked penile erections. Hitting the market in 1998, Viagra was the standard oral treatment attested treat erectile brokenness in the U.S. Viagra's transient moving to reputation has seen it enter use as an unlawful arrangement. In any case, Viagra use in individuals without erectile brokenness does not seem to have any effect. Despite the way that, specialists have seen that there is a pivotal misleading influence. On an all around that genuinely matters questionable note, there is no shown favored position for women taking the drug. In 2008, Viagra made some $1.93 billion of pay for Pfizer.