Viagra
The following drug information is obtained from various newswires, published
medical journal articles, and medical conference presentations.
General Information
Viagra has been approved for the treatment of impotence in men.
Based on clinical trials, Pfizer said men should take the pill
about an hour prior to a sexual event and that Viagra only works if
a man is sexually aroused.
Clinical Results
In clinical trials involving some 3,000 patients, 60 to 80% of
those who took the drug reported improvements in the ability to
achieve erections and sustain them after penetration, while about
20% of the patients who took a placebo reported improved
erections.
Side Effects
Side effects were mostly mild and included headache,
indigestion, and occasionally a temporary blue tinge to one's
vision.