See your family doctor! No one has any business trying to answer this but a qualified medical person.

As long as you don't have any pre existing medical condition you should be fine. with viagra the worse side effect that is rare in healthy people is having an erection for more then four hrs. You should consult your physician for two reasons. 1- you need a perscription and 2- to make sure your a good candidate for it. sertain medical condition don't allow men to use these medications. Such as pre existing heart trouble and blood pressure issues ie stroke. Now keep in mind that if your condition is that you get over excited and come too soon then thicker condoms tend to help with sensativity, to allow long-givity, now if you just go flacid after 2-3 min without ejaculating, then I would deffinitly contact your physician!