First 12 minutes.
The body quickly absorbs Sildenafil and it’s found some men get an erection within 12 minutes of popping a viagra.
60 minutes.
An hour marks a crucial point with Sildenafil as after nearly 50 minutes have passed you’ll reach the “maximum erection potential”. This is when the drug reaches its highest concentration in the blood, which explains why doctors advise taking one an hour before sex. According to the study, men can have erections lasting up to 33 minutes within an hour of taking the drug.
Four hours.
It’s possible you may still be able to have sex, although the effects of the Sildenafil will be steadily reducing.
10 hours.
Even after 10 hours, scientists found men still could get an erection – and found it just as easy as it was two hours after dosing up.
12 hours.
It’s still possible to have sex, but with the average erection lasting…
16 Minutes
24/7
After one day the effects of Sildenafil will have worn off. Almost all traces of the drug disappear from the blood stream, along with any boost to sexual performance.
Hint Hint Nudge Nudge
I use Sildenafil and it works great. I usually only take 1/2 a pill unless I’m hooking up with someone. Then I take a whole one. My erections will be good into the next day. I love how hard it makes, even though I don’t need it to get hard. Cialis gives me headaches.
Same for me. Usually a half tab does the trick. Or take whole pill if hoking up. Works pretty fast most times. And effected last a while
Only side effect is headache