Skip to main content

Flurazepam Dosage

Medically reviewed by Last updated on Aug 9, 2023.

Applies to the following strengths: 15 mg; 30 mg

Usual Adult Dose for Insomnia

15 mg orally once a day at bedtime for women and 15 or 30 mg orally once a day at bedtime for men


  • The 15 mg dose can be increased to 30 mg if necessary for efficacy.
  • The lowest effective dose should be used, since important adverse effects are dose related.
  • Dosage should be limited to 15 mg per day in elderly or debilitated patients.

Use: Treatment of insomnia

Renal Dose Adjustments

Data not available

Liver Dose Adjustments

Data not available

Dose Adjustments

  • Dose adjustment may be needed when this drug is administered concomitantly with other CNS depressants.


Safety and efficacy have not been established in patients younger than 18 years.

Consult WARNINGS section for additional precautions.

US Controlled Substance: Schedule IV


Data not available

Other Comments

Storage requirements:

  • Protect from light

  • Psychiatric: Patients with a history of alcohol or drug abuse, or patients with a marked personality disorder should be monitored frequently.

Patient advice:
  • Patients should be cautioned against performing activities requiring complete mental alertness, such as operating machinery or driving a motor vehicle.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.