A patient is prescribed disulfiram for alcohol dependence. Which of the following instructions should the nur… - NORCET 9 Mains - 2025

NORCET 9 Mains - 2025

Pharmacology

Easy

Appeared in: NORCET 9 Mains - 2025

Explanation

Disulfiram is an aversion therapy drug used to maintain abstinence from alcohol.
It works by inhibiting aldehyde dehydrogenase, causing a toxic buildup of acetaldehyde if alcohol is consumed.
This leads to a severe, unpleasant, and potentially dangerous reaction known as the disulfiram-alcohol reaction.
Therefore, the most critical instruction is to avoid all forms of alcohol and products containing alcohol to ensure patient safety.

Option B: This is dangerous advice. Disulfiram does not reduce cravings; it creates a severe negative reaction to alcohol. Taking alcohol would induce the disulfiram-alcohol reaction.
Option C: This is false and life-threatening. Disulfiram has a very significant and severe interaction with alcohol, which is the basis of its therapeutic effect.
Option D: Even very small amounts of alcohol (e.g., from mouthwash, cough syrup, or certain foods) can trigger a severe disulfiram-alcohol reaction. There is no safe amount of alcohol consumption while on this medication.

Visual 1: Flowchart: 'Metabolism of Alcohol with and without Disulfiram'. This visual would show the normal breakdown of alcohol versus the blocked pathway with disulfiram, leading to acetaldehyde accumulation.
Visual 2: Infographic: 'Hidden Sources of Alcohol'. A visual list with icons for mouthwash, cough syrup, sauces, and perfumes to help patients easily identify products to avoid.

Clinical Relevance

Nursing practice connection: Use the key finding related to Patient education for disulfiram therapy to guide bedside assessment, documentation, and the next nursing action.
Patient education is a primary nursing responsibility and is crucial for safety when administering disulfiram. Failure to properly educate the patient can lead to severe adverse events or even death.
Nurses must ensure the patient has given informed consent before starting therapy, acknowledging they understand the risks of drinking alcohol while on the drug.
What if? If a patient on disulfiram is accidentally exposed to alcohol and develops a reaction, the nurse's priority is supportive care. This includes monitoring vital signs, managing symptoms like nausea and headache, and preparing for potential cardiovascular or respiratory complications. The patient should be transported to an emergency facility.

How to Approach the Question

First, identify the drug in the question: disulfiram.
Recall the mechanism of action for disulfiram. It is known as an 'aversion therapy' or 'deterrent' drug.
Understand what 'aversion therapy' means in this context: it creates a highly unpleasant reaction to the substance the patient is trying to avoid (alcohol).
Based on this mechanism, deduce the most critical patient instruction. To avoid the severe reaction, the patient must avoid the trigger.
Evaluate the options: The only instruction that ensures safety and aligns with the drug's purpose is the complete avoidance of alcohol and alcohol-containing products.

Concept Tested & Keywords

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