Jun
Having trouble getting or keeping an erection is a problem that many men of all ages have. Sildenafil, which is better known by its brand name Viagra, is one of the most common medicines that doctors give to patients.
A lot of people who use sildenafil see that it works, but there is still one crucial question: how long will it keep you hard?
This piece goes into detail about the answer and gives clear, accurate information about how this drug works, especially how sildenafil keep you hard while you’re sexually active.