A 17-year-old boy has been brought to the emergency department by his mother who is distraught by the fact that she caught him and his friend "guzzling cough syrup." What assessment finding is suggestive of an overdose of dextromethorphan?
A) Hallucinations
B) Dysrhythmias
C) Kussmaul's respirations
D) Profound diaphoresis
A
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The nurse observes for excessive suppression of the cough reflex (inability to cough effectively when secretions are present) or hallucinations with dosages that exceed recommendations of dextromethorphan. Kussmaul's respirations, dysrhythmias, and diaphoresis are not characteristic adverse effects.
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