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The most-prescribed oral medicine for erectile dysfunction is Viagra. All over the world, twenty five million men improved their erections by just taking Viagra. Viagra addressed the 3 most important elements of a more fulfilling sexual activity which are timing, hardness and the capability to maintain an erection.
How does it work? Sildenafil citrate, the generic name of Viagra, decreases the amount of phosphodiesterase type 5 (PDE5). In doing so, Sildenafil citrate allows a great amount of blood flow to the penis so it becomes harder and longer. However, if you have been prescribed nitrates for chest pain, you cannot take Viagra as it may lead to rapid, unsafe drop in your blood pressure. You also need to limit your intake of fatty foods and alcohol when taking Sildenafil citrate. The usual dosage recommended by doctors for Viagra is 50 milligrams. It is recommended to take Sildenafil citrate 30 minutes or even longer before engaging in the sexual act. Doing so will make it effective for 4 up to 6 hours. You have to keep in mind that Viagra does not work when you are not aroused sexually. Alcohol and fatty foods can also limit the effectiveness of Viagra, and should be avoided when it is being consumed. Just like any other medications, you need to seek medical advice before taking Sildenafil citrate. A prescription is needed to be able to purchase Viagra. Factors like age, pre-existing medical problems like kidney or liver are just some of the parameters a doctor must take into consideration in order to evaluate the dosage to be given to you. Headache, upset stomach, blurred vision, facial flushing, bluish vision are just some side effects of Viagra. Sensitivity to light may also be experienced. Indeed, Viagra is a welcome solution to impotence.