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:
TEN is a disease of both children and adults, but TEN in early infancy is a rare event; only two well-documented cases in infants less than 6 months of age have been reported.
answer:
non-adverse drug event


question:
We are concerned that the macular lesion was a retinal toxic effect of gentamicin because of the recent description of similar lesions occurring after the inadvertent intraocular injection of massive doses of this drug.
answer:
adverse drug event


question:
This is a rare complication of bypass surgery and may be a cause of recurrent angina postoperatively due to coronary artery steal.
answer:

non-adverse drug event