Loprazolam

Introduced 1983

Reviewed by the HeyPsych Medical Review Board

Board-certified psychiatrists and mental health professionals

Indications

Primary Indications

Short-term treatment of severe insomniaSituational sleep disturbances

Mechanism

Enhances the effect of GABA at the GABA-A receptor complex, increasing chloride influx into neurons and producing sedative and anxiolytic effects.

Dosing

Adult Dosing

insomnia: 1–2 mg orally at bedtime; maximum 2 mg/day

Dosage Forms

Tablets: 1 mg, 2 mg

Onset Duration

Onset within 30 minutes; duration of action about 6–8 hours.

Adverse Effects

Common Side Effects

• drowsiness

• dizziness

• headache

• anterograde amnesia

⚠️ Serious Side Effects

respiratory depression
severe allergic reaction
dependence and withdrawal

Warnings

Critical Safety Information

→Risk of dependence and withdrawal with prolonged use
→May cause complex sleep-related behaviors (e.g., sleep-driving)
→Avoid alcohol and other CNS depressants

Interactions

With: Alcohol

Risk: Enhanced CNS depression

Action: Avoid combination

With: Opioids

Risk: Severe sedation and respiratory depression

Action: Avoid or monitor closely

With: Other CNS depressants

Risk: Additive sedative effects

Action: Use caution

Monitoring

Level of sedation
Respiratory rate in at-risk patients
Signs of misuse, abuse, or dependence

Special Populations

👶Pregnancy

Avoid unless benefits outweigh risks; risk of neonatal withdrawal or floppy infant syndrome

🤱Breastfeeding

Excreted in breast milk; avoid use

👧Children & Adolescents (Under 18)

Not recommended

👴Older Adults (65+)

Increased sensitivity to sedatives; start at lowest dose

Tapering

Gradually reduce dose over weeks to prevent withdrawal symptoms such as anxiety, insomnia rebound, tremors, or seizures.

Clinical Notes

Intended for short-term use (≤4 weeks) to minimize dependence risk
Lower risk of next-day drowsiness compared to some longer-acting benzodiazepines
Efficacy may diminish with repeated use due to tolerance

This medication information is for educational purposes only and is not a substitute for professional medical advice. Always consult your healthcare provider before starting, stopping, or changing any medication. Never take medication without a prescription from a licensed healthcare provider.

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