Drug class

Phosphodiesterase 4 Inhibitor

11 drugs the FDA files under Phosphodiesterase 4 Inhibitor, and that we can price. Drugs in one class are not interchangeable — they share a mechanism, not a dose or a set of side effects — but the price gap between them is often large, and it is a reasonable thing to raise with a prescriber.

Cheapest option we hold for the usual fill, fees included, checked November 4, 2026. Open a medicine for every option and the date on each one.