
Description
Generic Viagra is made from the chemical Sildenafil citrate. This chemical used in medicine is approved for human consumption and is used by those men who are affected by erectile problems during lovemaking sessions. Generic Viagra is currently been used by a lot of men who find I hard to get a hard on when they are sexually turned on.
Following is the medical description of Sildenafil citrate. The enzyme that is affected is the cyclic guanosine monophosphate (c-GMP), linked to phosphodiesterase type 5 (PDE-5) inhibitor. It is this PDE 5 that blocks the blood flow in the body resulting in a limp male reproductive organ. Sildenafil citrate in generic Viagra functions by inhibiting the function of this enzyme (PDE 5) the result of which is ample blood flowing into the male reproductive organ thus making it sturdy and rigid enough to participate in love making.

The Sildenafil citrate present in generic Viagra is used for more than just the treatment of erectile dysfunction. It was initially used for the treatment of angina, and is still used as a curative for pulmonary arterial hypertension (PHT or pulmonary tension). It can also be used along with Doxorubicin for the treatment of cancer.
Apart from this the Sildenafil in generic viagra also boosts the secretion of NO that is nitric oxide, which soothes the surrounding muscles and tissues that aids them to work properly that is to promote stiffness to the erectile organ.
The time for taking Viagra generic is at least 30 minutes before the intercourse begins. It can be taken 40 or 50 minutes before intercourse as well.