We've all seen the bathtub commercial for Cialis. What is it?
It's drug name is tadalafil. It is (obviously) indicated for erectile dysfunction. But how does it work?
Tadalafil relaxes muscles within the penis. This allows increased blood flow into the penis, necessary to achieve and maintain an erection. Specifically, it inhibits a very specific enzyme, phosphodiesterase type 5, enhancing effects of nitric oxide-activated increases in cGMP. Nitric oxide is a very key part of the way this drug works. Nitric oxide (NO) has many, manyin the body. Each revelation adds to nitric oxide's already lengthy resume in controlling the circulation of the blood, and regulating activities of the brain, lungs, liver, kidneys, stomach, gut, genitals and other organs. It thereby, influences erection by dilating muscles within the penis, allowing adequate blood flow resulting in erection.
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