Life-threatening adverse drug reactions causing

Framing

Certain adverse drug reactions constitute medical emergencies given their potential for rapid deterioration - drug-induced cardiac arrhythmias, cardiac failure, neutropenia (infection risk), respiratory depression, and seizures each require immediate recognition, causative drug withdrawal, and specific emergency management
A structured, drug-history-focused approach (recent medication changes, dose changes, new interacting agents) should be part of the initial assessment of any patient presenting with one of these life-threatening syndromes, since the causative drug is not always obvious from the presentation alone

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