Ever-increasing diversity of drug-induced pancreatitis

Table 2 The more recent classification system of drug-induced pancreatitis, proposed by Badalov et al[13]

	Minimum No. of case reports	Re-challenge required	Latency established	Alternative causes of pancreatitis excluded
Class Ia	1	Yes	N/A	Yes
Class Ib	1	Yes	N/A	No
Class II	4	No	Yes1	N/A
Class III	2	No	No	N/A
Class IV	1	No	No	N/A

¹In greater than 75% of cases. N/A: Not applicable.