Question 4#

The effect of erythromycin on gastric emptying is through its function as a:

a. Dopamine antagonist
b. Cholinergic agonist
c. Motilin agonist
d. Cholinergic antagonist

Correct Answer is C


Erythromycin is a common prokinetic agent used to treat delayed gastric empting, and works as a motilin agonist. Domperidone and metoclopramide, two other commonly used medications, function as dopamine antagonists.

Drugs that accelerate gastric emptying: