Drugs Causing Acute Pancreatitis Class Ia: The medications in which there was a rechallenge and other causes of AP are ruled out. Class lb: Atleast 1 published case showing rechallenge but the case failed to rule out other common causes. Class II: Cases in which a consistent latency has been repolted in more than cases, and atleast4 case reports were found in literature. Class Ill: 2 published case reports giving dose and latency. Cases lack rechallenge. Class IV: Weakest association in form of case reports in literature #Pancreatitis #Causes #Differential #Diagnosis #Drugs #DrugInduced #Medications #Classes