# Situation: A nurse at a Rural Health Unit (RHU) who is trained in the World Health Organization Mental Health Gap Action Programme Intervention Guide (mhGAP-IG) sees a 42-year-old man whose wife died of a stroke 4 months ago. For the past 5 weeks he has felt sad most of the day, has lost interest in fishing with his friends, and has stopped going to work. On the day his antidepressant was first prescribed, the nurse explained what to expect from it. Which statement he made that day BEST shows correct understanding?

> source: MyMerci (mymerci.kr)  
> url: https://mymerci.kr/pages/nclex_q.php?qn_id=630002  
> language: ko  
> subject: Nursing Practice V — Care of Clients with Maladaptive Patterns of Behavior; Care of Clients with Life-Threatening Conditions, Acute Multi-Organ Problems, High Acuity and Emergency Situations

## 문제

Situation: A nurse at a Rural Health Unit (RHU) who is trained in the World Health Organization Mental Health Gap Action Programme Intervention Guide (mhGAP-IG) sees a 42-year-old man whose wife died of a stroke 4 months ago. For the past 5 weeks he has felt sad most of the day, has lost interest in fishing with his friends, and has stopped going to work.

On the day his antidepressant was first prescribed, the nurse explained what to expect from it. Which statement he made that day BEST shows correct understanding?

## 보기

1. "The tablets are not habit-forming, and my mood should lift in days."
2. "The tablets are not habit-forming, so I can take them on bad days."
3. "Early side effects often pass, and my mood may take weeks to lift." **✔ 정답**
4. "Early side effects mean I should stop, and my mood may take weeks to lift."

**정답: 3**

## 해설

mhGAP-IG tells the person that antidepressants are not addictive, must be taken every day as prescribed, may cause side effects in the first few days that usually resolve, and usually take several weeks before mood, interest, or energy improves. Each statement combines two of these messages, and only one statement gets both right.

## 심화 해설

Clinical context

A 42-year-old man presents with a 5-week history of persistent low mood, anhedonia, and functional decline following the death of his wife. These features are consistent with a depressive episode, and the mhGAP-IG framework guides the nurse to initiate antidepressant therapy while providing structured psychoeducation about what the patient should expect.

What the mhGAP-IG teaches about starting antidepressants

The mhGAP-IG delivers four core messages when an antidepressant is first prescribed. First, antidepressants are not addictive and do not produce dependence. Second, they must be taken every day as prescribed, not on an as-needed basis. Third, early side effects may appear in the first few days but usually resolve on their own. Fourth, the therapeutic effect on mood, interest, and energy typically takes several weeks to emerge. A correct patient statement must reflect both the side-effect timeline and the delayed onset of mood improvement without implying that the medication should be used intermittently or discontinued when side effects occur.

Analyzing each statement

| Statement | Accuracy of first component | Accuracy of second component | Overall judgment |
| --- | --- | --- | --- |
| 1. “The tablets are not habit-forming, and my mood should lift in days.” | Correct—antidepressants are not addictive | Incorrect—mood improvement takes weeks, not days | Partially correct; fails on onset of action |
| 2. “The tablets are not habit-forming, so I can take them on bad days.” | Correct—not addictive | Incorrect—must be taken daily, not PRN | Partially correct; promotes nonadherence |
| 3. “Early side effects often pass, and my mood may take weeks to lift.” | Correct—early side effects usually resolve | Correct—therapeutic effect is delayed by weeks | Fully correct; best understanding |
| 4. “Early side effects mean I should stop, and my mood may take weeks to lift.” | Incorrect—side effects do not mandate discontinuation | Correct—delayed onset is accurate | Partially correct; dangerous misreading of side effects |

Only statement 3 correctly pairs the expected early side-effect course with the delayed therapeutic response, making it the best demonstration of accurate understanding.

Why early side effects do not mean the drug is failing

Antidepressants act on monoamine systems—serotonin, noradrenaline, and sometimes dopamine—but the clinical antidepressant effect is not immediate. Receptor-level changes occur within hours to days, yet downstream neuroadaptive processes, including receptor desensitization and intracellular signaling changes, require sustained exposure over 2 to 6 weeks before mood, interest, and energy improve. In contrast, side effects such as nausea, headache, insomnia, or gastrointestinal upset often appear within the first few days because the drug begins altering neurotransmitter availability before the brain has adapted. These early side effects are typically transient and resolve as the body adjusts, whereas the therapeutic benefit emerges later. This temporal dissociation explains why a patient who stops the medication because of early side effects may never reach the point where the antidepressant actually works.

Adherence implications from the evidence

Early discontinuation is a major clinical problem. One study found that 28% of patients stop antidepressant treatment within the first month and 44% within 3 months [1]. The first weeks are therefore the highest-risk window for dropout, precisely when side effects are most prominent and therapeutic benefit is still absent. Key point! The nurse’s psychoeducation at the first prescription visit is a critical adherence intervention because it prepares the patient to tolerate early side effects without misinterpreting them as treatment failure. A patient who expects side effects to pass and understands that mood lift takes weeks is less likely to abandon therapy prematurely.

Why “take them on bad days” is wrong

Antidepressants are not acute symptom relievers like analgesics or anxiolytics used on an as-needed basis. Their mechanism requires steady-state plasma concentrations achieved through daily dosing. Intermittent use prevents the drug from reaching and maintaining therapeutic levels, undermines the neuroadaptive processes needed for response, and may trigger withdrawal-like symptoms with abrupt gaps in dosing. The mhGAP-IG explicitly instructs that the medication must be taken every day as prescribed, even when the person feels better or worse on a given day. Statement 2 reflects a common misunderstanding that leads to partial adherence and poor outcomes.

Why “stop if side effects occur” is dangerous

Statement 4 correctly identifies that mood improvement may take weeks, but it wrongly instructs the patient to discontinue the drug when early side effects appear. This is the opposite of what the mhGAP-IG advises. The guide emphasizes that side effects in the first few days usually resolve and that the patient should continue taking the medication while reporting concerns to the health worker. Stopping abruptly without clinical guidance can lead to discontinuation symptoms and prevents the patient from ever reaching the therapeutic window. Watch out! In a licensure exam, any option that tells the patient to stop a prescribed antidepressant because of early side effects is almost always incorrect unless the side effect is severe, such as suicidal ideation, serotonin syndrome, or a serious allergic reaction.

Putting it together for nursing practice

When a nurse initiates antidepressant therapy under mhGAP-IG, the teaching must cover three inseparable points: the drug is not addictive, it must be taken daily regardless of how the person feels that day, and the expected course is early transient side effects followed by delayed mood improvement over several weeks. A patient who can articulate that early side effects often pass and that mood may take weeks to lift has internalized the two messages most predictive of early adherence. This is why statement 3 is the correct answer. The evidence on early discontinuation rates reinforces that the first month is the highest-risk period, and accurate expectation-setting at the first prescription visit is one of the most effective nursing interventions available in a rural health unit setting [1].References (research sources)

- [1]Tolerability and adherence issues in antidepressant therapy.Research articleMasand PS (2003) · DOI: 10.1016/s0149-2918(03)80220-5

## 임상 시나리오

Antidepressant Psychoeducation at InitiationmhGAP-IG core messages for first prescription
Antidepressants are not addictive and do not cause dependence, but they must be taken every day as prescribed, not on an as-needed basis.

Early side effects may appear in the first few days but usually resolve on their own without stopping the medication.

Therapeutic effect on mood, interest, and energy typically takes several weeks to emerge.

CautionDo not tell patients to stop the antidepressant when early side effects occur, and do not suggest intermittent use for bad days.

## 핵심 개념

- **mhGAP-IG** — WHO Mental Health Gap Action Programme Intervention Guide for non-specialist health settings
- **Antidepressant** — Medication for depression that is not addictive, taken daily, with delayed therapeutic effect
- **Anhedonia** — Loss of interest or pleasure in previously enjoyable activities
- **Psychoeducation** — Structured education about illness and treatment expectations

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