A client has been using sildenafil on an intermittent basis for several years. However, he has cited delays in the onset and peak of action as the occasional source of frustration. What PDE5 inhibitor may be of particular benefit to this client's needs

The correct answer is - Avanafil (Stendra).

Explanation:

Sildenafil and Avanafil both are PDE5 inhibitors that are used for sexual dysfunction or erectile problems in males. Sildenafil is more used and famous, however, Avanafil is a better PDE5 inhibitor as in the same dose it is more effective for a longer period of time and shows its effect faster than the sildenafil.

This client will get help in his situation by switching to Avanafil.

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