16 Oct 2009
They both belong to the same class of medicine and essentially work the same.
Levitra (vardenafil) is a selective inhibitor of cyclic guanosine monophosphate (cGMP)-specific phosphodiesterase type 5 (PDE5).
Tadalafil (Cialis) is also a Phosphodiesterase type 5 inhibitor
These enhances the effect of nitric oxide at the nerve ending and endothelial cells in the corpus cavernosum by inhibiting phosphodiesterase type 5 in the corpus cavernosum of the penis. This results in vasodilation, increased inflow of blood into the corporus cavernosum, and ensuing penile erection upon sexual stimulation.
Search for questions
Still looking for answers? Try searching for what you seek or ask your own question.
1 answer • 7 Jan 2010
how to order this pill and how much money
1 answer • 15 Jan 2011
1 answer • 17 Jun 2011
I find taking after eating is less effective so wonder if under the tounge allow dissolve is okay?
1 answer • 11 Oct 2011
i need strong pill can i take 2 of eighter one
1 answer • 26 Jul 2013