Drug-Associated Pancreatitis: Which Agent?

Azathioprine? Opiates? Diphenhydramine? Rifampin? All of these drugs have been associated with pancreatitis except. which one?

All of the following drugs have been associated with pancreatitis except. . . ?

a. Azathioprine
b. Opiates
c. Diphenhydramine
d. Rifampin

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