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Psychiatry · Psychopharmacology: flumazenil
Sample itemFlumazenil is a competitive antagonist at the benzodiazepine site. Which caution applies to its use?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. It may precipitate seizures in benzodiazepine-dependent patients
Flumazenil reverses benzodiazepine sedation, but in chronic users or mixed overdoses with proconvulsants, such as tricyclics, it can provoke withdrawal seizures. Its half-life is short, so re-sedation may occur.
Option by option
A. It reverses opioid respiratory depression
Naloxone, not flumazenil, reverses opioids.
B. It may precipitate seizures in benzodiazepine-dependent patients (correct)
Correct. Seizure risk in dependent patients is the main caution.
C. It is effective against alcohol intoxication
It does not reverse the effects of alcohol.
D. It must be given orally only
It is given intravenously for reversal.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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