Medications used for Erectile Dysfunction
Oral medications available to treat ED include:
· Sildenafil (Viagra)
· Tadalafil (Cialis)
· Vardenafil (Levitra)
All three medications work in much the same way. Chemically known as phosphodiesterase inhibitors, these drugs enhance the effects of nitric oxide, a chemical that relaxes muscles in the penis. This increases the amount of blood flow and allows a natural sequence to occur - an erection in response to sexual stimulation.
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