Viagra ought to be taken exactly as it was recommended by a certified medical professional or doctor. 비아그라 구입 Never take it in bigger doses or for a longer duration than what the doctor suggests. Consumption of Viagra differs according to an individual’s current impotence problem. Additionally, keep in mind that Viagra works just when there is sex-related stimulation. This implies that erection is not possible by just plain intake of the Viagra tablet. Do not expect an erection if there is no physical excitement.