Avanafil
Avanafil (Stendra) is an oral prescription medication approved to treat erectile dysfunction (ED).
It works by relaxing muscles and increasing blood flow to the penis during sexual stimulation.
Sildenafil
Sildenafil (Viagra) is used to treat erectile dysfunction by increasing blood flow to the penis
during sexual stimulation, which can result in an erection.
It belongs to a class of medications called phosphodiesterase (PDE) inhibitors. Sildenafil does
not cure erectile dysfunction or increase sexual desire, and it does not prevent pregnancy or
sexually transmitted diseases such as HIV.
Tadalafil
Tadalafil (Cialis) is used to treat erectile dysfunction by increasing blood flow to the penis during sexual stimulation, which can result in an erection.It is a phosphodiesterase (PDE) inhibitor and may also be prescribed for prostate conditions or pulmonary hypertension. Tadalafil does not cure erectile dysfunction or increase sexual desire, and it does not prevent pregnancy or sexually transmitted diseases such as HIV.
Vardenafil
Vardenafil (Levitra, Staxyn) is an oral prescription medication approved to treat erectile dysfunction (ED). It works by relaxing muscles and increasing blood flow to the penis during sexual stimulation.
