Viagra, Cialis and other drugs known to alleviate 'erectile dysfunction' increase blood flow by:
Viagra, Cialis and other drugs known to alleviate 'erectile dysfunction' increase blood flow by:
Increasing the concentration of cyclic GMP in smooth muscle
Increasing phosphodiesterase (PDE-5) activity in smooth muscle
Increasing the concentration of the enzyme guanylate cyclase in smooth muscle
Increasing the concentration of nitric oxide (NO) in smooth muscle