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How does Tadalafil (generic Cialis®) work?

Last Updated 3/28/2024

Tadalafil (generic Cialis®)* works by blocking PDE5 (phosphodiesterase type 5), an enzyme in the body that breaks down chemicals responsible for blood flow (and therefore erections). The result is increased blood flow to the penis to help a man get and keep an erection.

How does Tadalafil (generic Cialis®) work?

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