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Viagra was first developed in the year 1998, originally intended for the treatment of hypertension and angina pectoris, but proved to be more efficient in dealing with the symptoms of erectile dysfunction. Not long after that, generic Viagra emerged as a cheaper alternative for patients who have been diagnosed with this condition but who are not willing to pay for overpriced medication. When you buy Viagra here at Citratesildenafil.com you can rest assured that you are acquiring the most reliable drug at the most affordable price.

Both generic Viagra online and brand name Viagra are made with the active ingredient Sildenafil Citrate, in other words, they are bio-equivalent. Sildenafil is a chemical that inhibits the action of an enzyme called PDE5. This is important in the treatment of erectile dysfunction, because a great many ED cases are due to an excess of this enzyme. Too much of this enzyme will cause the blood vessels to narrow down, and decrease circulation to the penis. The penis needs blood to become erect, otherwise it will remain flaccid even in the presence of sexual stimulation. In other cases, an erection may be reached, but which does not last long enough to finalize intercourse.

Viagra has proven successful in most instances of erectile dysfunction, and with Viagra online this drug has become more accessible than ever to ED patients. This approach even enables men to buy Viagra without prescription, even though they are still required to fill out an online medical questionnaire, which is provided free of charge. After this a buy Viagra online order can be placed, and in a matter of a few days, the Viagra package will be shipped and delivered to the address supplied by the customer. Citratesildenafil.com guarantees Viagra delivery, making sure that the Viagra order arrives at its destination complete and intact in its original packaging.

As is the case with all medicines, Viagra may have a few potential side effects. Most of these adverse effects are mild and temporary, and many users do not report any side effects at all. However, if a patient experiences a Viagra side effect that does not go away presently, he should notify his local doctor about it. In the case of more serious side effects, immediate medical attention should be sought as well. Your local physician will also be able to advise you on other important aspects such as interactions and contraindications of Viagra, to ensure safety and increase results.