prophylaxis

Viagra is a trade name for the active ingredient Sildenafil used to help impotence in men by increasing the amount of blood spilled into the penis when there is sexual emotion. T

If clinical trials produce safe and effective results, a new drug, to revive the desire for

Not only does it help treat impotence in men, American researchers found that Viagra also works to relieve menstrual pain in women.

Although only 50% chance of survival after birth, a 5-month-old Scottish boy is still resilient to death due to the support of a very special medicine - Viagra.