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Substance Use Disorders

NCLEX Review Guide: Mental Health, Addictions, and Substance Use Disorders

Substance Use Disorders Overview

Definition and Classifications

Substance Use Disorder (SUD) is a complex condition characterized by uncontrolled use of substances despite harmful consequences. The DSM-5 classifies severity as mild (2-3 symptoms), moderate (4-5 symptoms), or severe (6+ symptoms).
Common substances include alcohol, opioids, stimulants, cannabis, hallucinogens, and sedatives. Each has distinct intoxication and withdrawal patterns that nurses must recognize.

Key Points

SUD is a chronic brain disease, not a moral failing
Tolerance and withdrawal are key diagnostic criteria
Co-occurring mental health disorders are common (dual diagnosis)

Assessment and Recognition

Signs of Intoxication and Withdrawal

Substance	Intoxication Signs	Withdrawal Signs
Alcohol	Slurred speech, ataxia, nystagmus	Tremors, seizures, delirium tremens
Opioids	Pinpoint pupils, respiratory depression	Dilated pupils, muscle aches, nausea
Stimulants	Dilated pupils, hyperthermia, agitation	Depression, fatigue, increased appetite

Critical Alert: Alcohol withdrawal can be life-threatening due to seizures and delirium tremens. Monitor vital signs closely and implement seizure precautions.

Use standardized screening tools like CAGE questionnaire (Cut down, Annoyed, Guilty, Eye-opener) or AUDIT for alcohol assessment. These tools provide objective data for clinical decision-making.
Assess for PAWS (Post-Acute Withdrawal Syndrome) which can persist for months after initial detox, including mood swings, anxiety, and sleep disturbances.

Nursing Interventions and Management

Acute Care Management

Ensure safety first - implement fall precautions and seizure protocols
Monitor vital signs frequently, especially during withdrawal phases
Administer medications as ordered (benzodiazepines for alcohol withdrawal, methadone/buprenorphine for opioid addiction)
Provide emotional support and non-judgmental care
Educate patient and family about the disease process

Memory Aid: WITHDRAWAL Management

Watch vital signs
Implement safety measures
Therapeutic communication
Hydration and nutrition
Drugs as ordered
Reassurance and support
Assess for complications
Work with interdisciplinary team
Addiction counseling referral
Long-term planning

Never abruptly discontinue alcohol or benzodiazepines as this can precipitate life-threatening withdrawal seizures. Always follow medical protocols for tapering schedules.
Implement motivational interviewing techniques to enhance patient readiness for change without being confrontational or judgmental.

Treatment Modalities and Recovery

Evidence-Based Treatments

Medication-Assisted Treatment (MAT) combines medications with counseling for opioid use disorders. Common medications include methadone, buprenorphine, and naltrexone.
Cognitive-Behavioral Therapy (CBT) helps patients identify triggers and develop coping strategies. 12-step programs like AA/NA provide peer support and structured recovery approach.
Harm reduction strategies focus on reducing risks associated with substance use rather than requiring complete abstinence initially.

Clinical Scenario

A 45-year-old patient admitted for alcohol withdrawal is experiencing tremors, diaphoresis, and reports seeing bugs crawling on the walls. Vital signs: BP 160/95, HR 110, temp 101°F. Priority nursing action: Assess using CIWA scale, notify physician, prepare for benzodiazepine administration, and implement seizure precautions.

Commonly Confused Concepts

Concept	Definition	Key Difference
Tolerance	Need for increased amounts to achieve same effect	Physical adaptation
Dependence	Physical need for substance to function normally	Body requires substance
Addiction	Compulsive use despite negative consequences	Behavioral/psychological component

Quick Check: Common Pitfalls

❌ Don't assume all substance users are seeking drugs when requesting pain medication
❌ Don't use confrontational approaches - they increase resistance
❌ Don't promise confidentiality if safety is at risk
✅ Do maintain therapeutic, non-judgmental relationships
✅ Do recognize addiction as a chronic medical condition

Study Tips and Memory Aids

NCLEX Success Strategy

Remember SAFE approach:
Safety first - always prioritize patient safety
Assessment - use standardized tools
Family involvement - include support systems
Education - teach about disease and recovery

High-Yield NCLEX Points

Alcohol withdrawal peaks 24-72 hours after last drink
Naloxone (Narcan) reverses opioid overdose but has short half-life
Disulfiram (Antabuse) causes severe reaction with alcohol consumption
Therapeutic communication is more effective than confrontation

Priority Assessments: Always assess for suicidal ideation, as risk increases during early recovery and withdrawal phases.

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