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 inhibits the conversion of tryptophan to niacin and may induce pellagra, particularly in poorly nourished patients.

SOLUTION: adverse drug event

PROBLEM: In these patients, long-acting octreotide may trigger serious hypoglycemia.

SOLUTION: adverse drug event

PROBLEM: On day 15 of cycle 1, he reported progressive worsening of weakness and fatigue, and melena.

SOLUTION:
non-adverse drug event