Viagra is one of the most popular and widely used prescription medications for treating erectile dysfunction, commonly known as impotence. This condition can cause a man to experience difficulties in achieving or sustaining an erection engaged in a sexual act. There are several factors that can cause this condition; these include physical, psychological or lifestyle.

A man achieves an erection when sexually aroused due to a nucleotide called cGMP increases the blood flowing into the person. When sexual stimulation decreases, an enzyme PDE-5, starts breaking cGMP molecules causing your organ to go flaccid. In men, who are suffering from this condition, PDE-5 is released prior to its requirement, thus leading to erectile problems.

Benefits of Viagra

Viagra has been successful in treating impotence in an effective way and works within 30 minutes of consuming the pill. This medication can be effective for as long as four hours, allowing you to enjoy a satisfactory sexual experience. Likewise although there are other impotence medications Viagra is by far one of the most popular impotence treatments.

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How Viagra works

Viagra consists of sildenafil citrate as its active ingredient, which acts as the role of PDE inhibitor. This medication uses the method of eliminating the nucleotide PDE-5 present in your penis in order to enhance the process of achieving an erection.

It so happens that there are 11 different types of PDE present in your body and only PDE-5 is the one present in the penis. Sildenafil citrate, the active ingredient of this medication, is adept in eliminating only PDE-5 thus the ones present in the penis are eliminated successfully.

As the PDE-5 is eliminated from your penis it does not disintegrate the cGMP molecules, the nucleotide responsible for enhancing the erectile process. As a result the function of cGMP is enhanced and the quality of erection also improves. The cGMP relaxes the twin chambers in your penis, the corpora cavernosa.

This blocks the veins responsible for draining out the blood from your penis. As a result it helps increase the blood flowing to your penis, causing your penis to engorge. As a result you are able to achieve an erection that lasts for a longer period of time. Viagra has helped millions of men in treating erectile dysfunction, enabling them to lead a healthy sex life.

Before taking Viagra

Viagra, though an effective erectile dysfunction treatment needs to be taken with precautions as with most medical conditions, it may not prove suitable for you. It is recommended therefore that you consult your doctor before starting this medication.

Viagra cannot be taken if you are suffering from

  • a stomach ulcer,
  • liver disease,
  • kidney disease,
  • heart disease,
  • high blood pressure,
  • low blood pressure
  • and heart rhythm problems.

You should also avoid taking this pill if you are on medications consisting of nitrates in any form, as it can dangerously lower your blood pressure levels.

Side effects of Viagra

Common side effects of Viagra are

  • dizziness,
  • nauseated feeling,
  • headaches,
  • difficulty in breathing,
  • and vision loss among others.

Memory problems, upset stomach and back pain are also some of the side effects of Viagra. Usually these side effects dissipate after some time when your body gets used to the medication, but if they do not dissipate, it is recommended that you consult your doctor right away.