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:
Graves' hyperthyroidism following transient thyrotoxicosis during interferon therapy for chronic hepatitis type C.
answer:
adverse drug event


question:
Physicians using this "new" drug must be aware of the potential danger of sulfonamide-induced injury to the urinary tract.
answer:
adverse drug event


question:
The response of the occlusion of nearly all liver venules underlines the value of anti-inflammatory treatment combined with new thrombolytic medication such as defibrotide for the treatment of severe VOD.
answer:

non-adverse drug event