Definition
Viagra (Sildenafil citrate) is a medication used to treat erectile dysfunction
or impotence, in men.
Approved Use
Viagra treats erectile
dysfunction, the inability to achieve and/or maintain an erection of the penis
that is adequate for sexual intercourse. Around ten to fifteen million men in
the United States suffer from ED. Erectile dysfunction can be caused by a number
of physical and psychological conditions.
Description
Originally developed in 1991, Sildenafil citrate was launched as a treatment
for angina, or chest pain. However, the drug, marketed under the name Viagra,
received FDA market clearance as a treatment for impotence
in March 1998. Since then it has been prescribed to over 10 million men worldwide.
It is the first oral medication approved for ED treatment.
Viagra is a vasodilator
This means that the drug has the effect of dilating the blood vessels. It works
by improving blood circulation to the penis, allowing the penis to become engorged
and achieve an erection.
Preparation
Viagra needs some time to be absorbed by the body and become effective. The
average recommended time frame for taking the drug is one hour before sexual
activity. This time can vary from four hours to 30 minutes, depending on an
individual's response to the drug.
Risks
The most commonly reported side effects of Viagra are headache, flushing of
the face, upset stomach, and nasal congestion.
It's Success
Viagra has turned to be a multi-million dollar money-spinner for the company
Pfizer, who has developed this drug. It has brought a boom to the pharmaceutical
market. So go ahead and try this wonderful drug. Buy cheap Viagra online from
any pharmacy.
