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: BACKGROUND: Aphthous stomatitis, a common mucocutaneous disorder, is a well accepted complication of sirolimus therapy.

SOLUTION: adverse drug event

PROBLEM: Here we present the case of a generalized lichen nitidus with involvement of the palms in a patient with hepatitis C after systemic treatment with interferon alpha and ribavirin.

SOLUTION: adverse drug event

PROBLEM: Effectiveness of spray application of ACNU in the local control of malignant gliomas: report of two cases.

SOLUTION:
non-adverse drug event