We get asked quite a lot of weird and wonderful questions by
patients and it is always a delight and never a chore to answer. One of the
recurring questions from men relates to the extent to which sildenafil (the
active ingredient in Viagra) can affect your libido and virility.
Sildenafil is designed to help men with erectile
dysfunction: the inability to achieve an erection sufficient for penetration.
Viagra will not increase your virility or libido. Neither will sildenafil
increase the size of your penis, which is claim made on charlatan websites that
a few poor gullible souls have taken to heart. Sildenafil will allow you to
make the most of what you have got while erect and perhaps give the impression
of a larger penis for a short period after ejaculation as the penile blood vessels contain more blood
for longer but it will not increase virility, libido or penis size - so don’t be
If you are suffering from erectile dysfunction then we can help by prescribing an appropriate treatment. If you are suffering from low libido then we recommend that you contact your GP in the first instance so that certain endocrine abnormalities can be ruled out. A reduced libido is usually nothing to worry about but it can be an indication that merits further investigation.