Cenforce 100 Be sure to tell your doctor about all medications you take with a glass of water as well as any other medical issues. Consuming a p*ll with a heavy meal may slow its absorption and therefore take a little longer to show its action. It is therefore ideal for eating on an empty stomach. This tablet should be taken within one hour of the intended s*xual intercourse as the drug is given the maximum time to dissolve the blood for best results and usually allows you to find an erection in about 30 minutes which will last for about 4 hours each times you are s*xually aroused.