The antidote of benzodiazepine is:

Appeared in: DSSSB 13 August 2024

Explanation

Flumazenil is the specific antidote for benzodiazepine overdose.
It functions as a competitive antagonist, binding to the benzodiazepine receptor site on the GABA-A receptor complex.
This action blocks the effects of benzodiazepines, thereby reversing sedation, respiratory depression, and other signs of overdose.

Why Other Options Were Wrong

Option A: Neostigmine is a cholinesterase inhibitor and does not act on benzodiazepine receptors.
Option B: Dimercaprol is a chelating agent designed to bind with heavy metals, not drugs like benzodiazepines.
Option D: Protamine sulfate is a specific antagonist for heparin and has no effect on the central nervous system depression caused by benzodiazepines.

Related Visual

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Pharmacological antidotes for specific drug classes as background academic context rather than a clinical decision trigger.
Knowing specific antidotes is a critical nursing competency for the emergency management of drug toxicity, helping to prevent life-threatening complications like respiratory arrest.
Nurses must use extreme caution when administering Flumazenil to patients with a history of chronic benzodiazepine use or seizure disorders, as rapid reversal can precipitate acute and potentially fatal withdrawal seizures.
What if? If the patient had overdosed on an opioid like morphine instead of a benzodiazepine, the correct antidote would be Naloxone, which is an opioid receptor antagonist.

How to Approach the Question

First, identify the key drug class in the question stem, which is 'benzodiazepine'.
The question asks for the 'antidote', which is a substance that counteracts a poison or overdose.
Access your knowledge of pharmacology, specifically focusing on common reversal agents.
Systematically evaluate each option: Neostigmine (for neuromuscular blockers), Dimercaprol (for heavy metals), Flumazenil (for benzodiazepines), and Protamine (for heparin).
Select the option that is the specific antagonist for the benzodiazepine class of drugs.

Concept Tested & Keywords

Concept Tested: Pharmacological antidotes for specific drug classes.
Stem keywords: antidote, benzodiazepine
Lead-in keywords: is
Negative lead-in flag: false

Question ID

QCZ1BWPHxqeS-86ALUWSxG

Reference Book

E6 Robert Boland, Marcia L. Verduin - Kaplan and Sadock's Comprehensive Text of Psychiatry-Wolters Kluwer Health (2024) (pp 1-16525 of 16525) p. 10562-10564

E6 Kaplan Sadock's Synopsis of Psychiatry-2022 (pp 1-3768 of 3768) pp. 2117-2119, 2116-2118

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