Viagra (sildenafil) is a drug produced by Pfizer company that became the initial medicine to be accepted by the FDA for the procedure of impotence. This disease had been neglected for many years prior to that, and the look of a solitary blue medicine that might be taken as required transformed the strategy to impotence (impotence) and its treatment. Viagra is a pill that you could take equally needed, about a hr prior to the intended sex. Once taken, this medicine will provide you with approximately 5 hours of performance - this means that you can have sex any type of minute within this duration. Keep in mind that the duration stated might be somewhat different for various people, so Viagra is most effective if you have sex concerning an hour after you have actually taken it. Viagra comes in 3 various quantities - having 25, 50 and 100 mg of the active component. If you have certain wellness conditions or are taking some medicines your dose could be the cheapest in the beginning, however your healthcare service provider will possibly boost it if you are not profiting from the dose prescribed and there are no irregular body reactions to this drug. Do not increase the dose yourself to see to it there are no adverse effects.