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Interesting Facts about Viagra the Little Blue Pill

Viagra is a medicine which is used to relax the muscles and increase the blood flow to particular areas of the body. This medicine is used to treat erectile dysfunction in men. Until now this medicine did not have a generic version, unlike certain other medicines. The generic version of this medicine will cost half the price of the original medicine. The company Pfizer has developed this medicine and it will be producing its own generic form of the medicine. It also contains the active element sildenafil and will be white in color. It is being estimated that the white generic pill will cost about $32 a pill which is half the Viagra`s price. The company is developing the generic version in order to be able to compete with the other drug companies which will be able to sell their versions of impotency drugs after the Pfizer`s patent expires.

There are few interesting facts about viagra which one should know.

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The medicine was originally developed to help treat chest pain. The researchers first created sildenafil in the 1980 and wanted to use it to treat chest pain or angina. It is usually caused by reduces blood flow to the heart. During the early trial of this medicine, the team could not find any necessary effects on the heart. The team hoped that this would help solve the problem of the chest pain in the people. A large number of volunteers who went through this test reported another interesting factor, they had better and long-lasting erections. Certain other tests conducted around that time showed that the sildenafil may have an effect on erections in men. The team found that at the molecular level sildenafil played a major role in attaining and sustaining an erection. This lead to another test of this drug on men with erectile dysfunction and it was found that the medicine had an effective percentage of more than 82 percent of the men. These patients received the highest permissible dose of this medicine with few or no side effects.

The drug works by stopping an enzyme called phosphodiesterase 5 or PDE 5. It also prevents the quick action of this enzyme. This enzyme is found in various tissues of our body including the penis. It regulates the flow of blood to the penis and also increases the blood flow by blocking the phosphodiesterase 5 enzyme. Due to this the blood flows to the penis increases and causes an erection.

Most patients think that this medicine can also increase the sex drive. In some cases, men took it as a recreational drug, however, you should know that this medicine does not increase the sexual desire. Also, it does not cause an erection by itself, it works only when the person is sexually stimulated.

Certain medicines should be avoided with erectile dysfunction medicines as they can cause serious side effects. Drugs containing nitrates is one such medicine. They can lead to a serious drop in the blood pressure which can be fatal to the patient.

This medicine can also be used to treat other medical conditions such as pulmonary arterial hypertension.

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