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.

Q: 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.

A: adverse drug event
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Q: We recommend that clinicians monitor patients for signs and symptoms of pancreatitis, including abdominal pain, during treatment with tigecycline.

A: adverse drug event
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Q: After rapid correction of severe hyponatremia, a 36-year-old man developed osmotic demyelination syndrome (ODS), manifested neurologically by impaired cognition, extremity weakness, bilateral third cranial nerve palsies, and gaze-evoked upbeat and rotary nystagmus.

A:
non-adverse drug event
****
