Which of the following is an example of the centrally acting blockers?

A) doxazosin (Cardura®)
B) prazosin (Minipress®)
C) clonidine (Catapres®)
D) nifedipine (Procardia®)

C) clonidine (Catapres®)
The drug called clonidine (Catapres®) is a centrally acting blocker. It is administered orally, though there is a transdermal formulation called Catapres-TTS®. It is usually used when a patient has not responded to other therapies for hypertension.