TASK DEFINITION: Adverse drug reactions are appreciably harmful or unpleasant reactions resulting from an intervention related to the use of medical products, which predicts hazard from future administration and warrants prevention or specific treatment, or alteration of the dosage regimen, or withdrawal of the product. Given medical case reports extracted from MEDLINE, the task is to classify whether the case report mentions the presence of any adverse drug reaction. Classify your answers into non-adverse drug event and adverse drug event.
PROBLEM: Isoniazid causing breast tissue enlargement has been very rarely reported.

SOLUTION: adverse drug event

PROBLEM: Tacrolimus-induced HUS: an unusual cause of acute renal failure in nephrotic syndrome.

SOLUTION: adverse drug event

PROBLEM: METHOD: The authors followed a patient with chronic HCV who received interferon and ribavirin and who developed hallucinations ultimately requiring psychiatric hospitalization.

SOLUTION:
adverse drug event