The drug of choice for control of manic behavior is?

IGIMS Staff Nurse - 2018

Mental Health Nursing

Easy

Appeared in: IGIMS Staff Nurse - 2018

Explanation

Lithium carbonate is a mood-stabilizing agent, considered the first-line and gold-standard treatment for acute mania.
It is also highly effective as a maintenance therapy to prevent the recurrence of both manic and depressive episodes in individuals with bipolar disorder.
Its mechanism involves altering ion transport in nerve cells, which helps to stabilize mood by modulating neurotransmitter activity.
Clinical studies have demonstrated that lithium reduces the frequency, severity, and duration of mood episodes and significantly lowers the risk of suicide in patients with bipolar disorder.

Option A: Tofranil (Imipramine) is a tricyclic antidepressant (TCA). Administering an antidepressant alone to a patient with bipolar disorder can precipitate a manic or hypomanic episode.
Option B: Elavil (Amitriptyline) is also a tricyclic antidepressant (TCA). Like Tofranil, it is contraindicated as a monotherapy for mania because it can worsen the condition or induce rapid cycling.
Option D: Reserpine is an older antihypertensive and antipsychotic drug that works by depleting catecholamines (like norepinephrine and dopamine). This action can cause or worsen depression, making it inappropriate for treating mania.

Clinical Relevance

Nursing practice connection: Knowing Pharmacological management of mania and bipolar disorder helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
The primary nursing responsibility when a patient is on lithium is vigilant monitoring for toxicity due to its narrow therapeutic index. Early detection of symptoms like tremors, nausea, and ataxia is critical to prevent severe complications.
Patient education is a cornerstone of safe lithium therapy. Nurses must teach patients about the critical importance of consistent salt and fluid intake, as imbalances can quickly lead to toxic levels.
Nurses should be aware of drug interactions that can increase lithium levels, such as NSAIDs (like ibuprofen), diuretics (especially thiazides), and ACE inhibitors.

How to Approach the Question

First, identify the core of the question, which asks for the 'drug of choice' for 'manic behavior'. This points to a first-line pharmacological agent.
Next, analyze the options by classifying each drug. Tofranil and Elavil are tricyclic antidepressants. Lithium carbonate is a mood stabilizer. Reserpine is an older antipsychotic/antihypertensive.
Recall the pathophysiology of mania, which involves an excess of certain neurotransmitters. Antidepressants generally increase these neurotransmitters and can worsen mania.
Recall that mood stabilizers are the specific class of drugs designed to treat mania and stabilize mood in bipolar disorder.
Based on this classification, identify Lithium as the classic and primary mood stabilizer used for mania, making it the correct answer.

Concept Tested & Keywords

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