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: DISCUSSION: According to the literature, reversible nonthrombocytopenic palpable purpura has not been previously reported with metoclopramide.

Answer: non-adverse drug event


Question: Cat-scratch disease, primarily caused by Bartonella henselae, typically presents with regional adenopathy, and the role of antibiotics in the treatment is debatable.

Answer: non-adverse drug event


Question: ARDS has been associated with the administration of other monoclonal antibodies, such as infliximab, gemtuzumab ozogamicin, and OKT3 and is believed to be directly mediated by release of proinflammatory cytokines.

Answer:
adverse drug event