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.
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Question: Such anagen effluvium with lichenoid eruption following INH therapy has not been observed previously.

Answer: adverse drug event


Question: Rapidly developing hyperglycemia during treatment with olanzapine.

Answer: adverse drug event


Question: BACKGROUND: Nocardia exalbida was first reported in 2006.

Answer:
non-adverse drug event