Tazzle 20 mg is a new medication that is used to treat erectile dysfunction (ED). It is the only FDA-approved medication that is specifically targeted at treating ED. Tazzle 20 mg is a phosphodiesterase type 5 inhibitor (PDE5i). This means that it works by inhibiting the action of PDE5, which is an enzyme that is responsible for breaking down cGMP in the body.

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