... There are two types of PDE inhibitors available for COPD — PDE4 inhibitors and PDE3/PDE4 inhibitors.Roflumilast (Daliresp) is a PDE4 inhibitor you take as a pill every day to prevent a COPD flare-up. ...
... There are two types of PDE inhibitors available for COPD — PDE4 inhibitors and PDE3/PDE4 inhibitors.Roflumilast (Daliresp) is a PDE4 inhibitor you take as a pill every day to prevent a COPD flare-up. ...