What Does Viagra Do?

Viagra is a multi-faceted medication with several functions as well as harmless side effects, but its primary function among users is to assist individuals suffering from erectile dysfunction by increasing blood flow to the penis upon stimulation or arousal.

Taking Viagra

 

Viagra is manufactured and distributed in tablet form. These small blue tablets should be swallowed whole, rather than being cut up or split, on an empty stomach for best results. It should also be taken with a glass of water or some type of juice. It should not be taken with grapefruit juice.

Individuals using Viagra are those who have found themselves unable to sustain, or have at all, a significant penile erection throughout intercourse or at all. The drug does not improve sexual performance or increase libido.

How It Works

 

Viagra works as a result of its main active ingredient, Sildenafil. Sildenafil is able to induce an erection by starting a long chain of events in the body that eventually leads to a satisfactory erection upon sexual stimulation or arousal. The process begins with vasodilation, or smooth muscle relaxation caused by increased levels of cyclic guanosine monophosphate (cGMP) as a result of the Viagra.

Viagra consumption leads to the increase of cGMP because Sildenafil is a cGMP-specific phosphodiesterase type 5 (PDE5) inhibitor. PDE5 is the enzyme that breaks down cGMP in the corpus cavernosum, so with the PDE5 inhibitor in place, cGMP is unhindered and able to increase in amount rather than decrease.

By simply increasing the levels of cGMP, which causes vasodilation, Viagra is able to begin the process to chemically permitting an erection. The process continues as vasodilation in the helicine arteries causes increased blood flow into the penis, which ultimately creates an erection.

An erection is not immediately induced upon consumption of the pill, and this is for several reasons. Sexual stimulation is what causes the cGMP system to begin and generates the cGMP. For this reason, the Viagra is only able to begin doing its job once sexual stimulation has begun. Upon the generation of cGMP, Viagra is able to inhibit the PDE5, leading to longer, more satisfying, more consistent erections.

What to Expect

 

When Viagra is taken orally, it can be expected to function properly in cases involving erectile dysfunction on average after about twenty-seven minutes, but it can be taken up to four hours before intercourse.

Viagra should not be taken multiple times in one day. One dose per day is more than sufficient, as it takes a while to leave the system fully.

Viagra, like any medication, includes myriad possible side effects, but none are guaranteed to occur, and most individuals only experience a few, if any.

Common side effects, which are not causes to stop taking the medication, are hot flushes, dizziness, stuffy nose, a colour tinge to your vision, headache, feeling sick, blurred vision, or indigestion.

More significantly though, if an individual is experiencing chest pains, a sudden decrease or loss of vision, prolonged or painful erections that last more than four hours, or significant skin reactions like peeling, swelling, blistering, or fever, users should stop use of Viagra immediately and inform a doctor.

Always talk with your doctor about any and all medications and pre-existing conditions prior to starting Viagra, as Viagra does not interact well with everyone.