Viagra was first approved for sale by Food and Drug Administration agency in 1998, with the drug's prime focus on treating impotence, a dysfunction that has affected millions of people not only in the United States of America, but also across the world.

Manufactured by Pfizer Pharmaceuticals of New York, NY, Viagra has today attained some of the highest ratings as a drug for the treatment and cure of impotency the world over.

However, as with all drugs, there are some severe risks associated with the use of Viagra drug, which must be accounted for seriously by the consulting physicians. For example, both the consumers and doctors are advised that the use of Viagra be strictly prohibited for individuals with certain ailments of the heart.

Thus it is of utmost importance that the correct and precise status of the individual's cardiovascular system be evaluated before the respective individual is given Viagra.

Though this set of risk factors directly affecting certain category of heart patients was not mentioned on the labels of Viagra packing, the new labeling duly compensates for the same and advises caution on the use of Viagra by such individuals.

This has perhaps been initiated on the adverse events and side affects noted from the use of Viagra by patients with ailments of the heart, hence the extra precaution.

The new labeling as provided by the manufacturers of Viagra, M/s Pfizer Pharmaceuticals thus show new prescribing information, safety updates, and important information for the consumer, as well as the findings of the clinical studies carried out on various segments of the populations.