To his surprise,Andy is prescribed a phosphodiesterase (PDE)inhibitor to treat his benign prostatic hyperplasia,which he knows to also be used to treat erectile dysfunction.What PDE inhibitor has been approved for this use?

Question

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Tadalafil is a PDE5 inhibitor that is approved for the treatment of both benign prostatic hyperplasia and erectile dysfunction. Febuxostat is a xanthine oxidase inhibitor used to treat gout, darifenacin is an antimuscarinic used to treat overactive bladder, and probenecid is a uricosuric used to treat hyperuricemia in gout.

To His Surprise,Andy Is Prescribed a Phosphodiesterase (PDE)inhibitor to Treat