instruction:
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.
question:
TREATMENT AND OUTCOME: Exploratory surgery of the coelomic cavity was performed and the neoplasm was excised.
answer:
non-adverse drug event


question:
A 52-year-old Black woman on phenytoin therapy for post-traumatic epilepsy developed transient hemiparesis contralateral to the injury.
answer:
adverse drug event


question:
His diarrhea, consisting of 10 to 12 loose stools a day, had continued for approximately two weeks and was accompanied with abdominal cramping, fever, anorexia, and weight loss.
answer:

non-adverse drug event