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: Possible relationships between the white matter lesions and extrinsic toxic agents are discussed.

Answer: non-adverse drug event


Question: The patient was successfully treated by discontinuation of cyclosporine and mycophenolate mofetil, initiation of systemic amphotericin B, and aggressive surgical debridement.

Answer: non-adverse drug event


Question: Septic knee arthritis after intra-articular hyaluronate injection.

Answer:
adverse drug event