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Flurazepam is used in the treatment of insomnia (difficulty in sleeping) and short term anxiety.

How it works

Flurazepam induces sleep and controls seizures or fits by increasing the action of GABA, a chemical messenger which suppresses the abnormal and excessive activity of the nerve cells in the brain.

Common side effects

Impaired concentration, Confusion, Double vision, Dizziness, Drowsiness, Numbed emotions, Headache, Muscle coordination impaired, Muscle weakness, Unsteadiness, Fatigue


Expert advice

  • Flurazepam should be consumed orally just before going to bed.
  • Do not consume alcohol or use drugs while on flurazepam treatment. 
  • As flurazepam may cause side effects such as reduced alertness, confusion, dizziness, double vision, you should not drive or operate machinery after taking this medicine until its effects are known in you.
  • Inform your doctor if you are taking other medicines that affect brain such as sleeping pills/tranquillisers/antidepressants, medicines that relieve pain (anaesthetics), medicines for treating epilepsy (fits), medicines that affect liver or anti-viral medicines.
  • Inform your doctor if you are suffering from kidney, liver or lung disease or any psychiatric illness such as depression or personality disorder. If you have ever overused a medicine (drug abuse) or have been alcoholic, discuss this with your doctor.
  • Do not take flurazepam for longer time than prescribed by your doctor as you may develop a habit for it. 
  • Do not stop taking flurazepam without consulting your doctor. Sudden discontinuation of treatment may lead to withdrawal symptoms such as depression, nervousness, tiredness, anxiety, confusion, mood changes, recurrence of sleep problems, irritability, headache, sweating and diarrhoea or other severe symptoms.

Frequently asked questions


Q.Is flurazepam a controlled substance?
Yes. Flurazepam is a controlled substance. It has some potential for abuse and is available only if prescribed by a doctor

Q.Is flurazepam a narcotic/addictive?
No. Flurazepam is not a narcotic. Flurazepam can be addictive/habit forming if used for long time. It should be taken only as per the dose and duration advised by the doctor

Q.Is flurazepam like xanax?
Flurazepam and Xanax (trade name for alprazolam) both belong to same class of medicines called benzodiazepines, and have similar effect on brain. However, both these medicines are advised for different illnesses and hence should be consumed only upon doctor's advice

Q.Is flurazepam superior to oral diazepam?
Flurazepam and diazepam belong to same category of drugs called benzodiazepines, and have similar action, but their use and effect may vary. Please take your doctor's advice before taking any of these drugs

Q.Does flurazepam cause weight gain?
Flurazepam is not known to cause weight gain. Consult your doctor if you observe a weight gain after taking this medicine

Q.Does flurazepam help anxiety?
Flurazepam is used for short term treatment of sleeplessness; it exerts a calming effect on brain, and is known to reduce anxiety

Q.Does flurazepam get you high?
Flurazepam is used in the treatment of sleeplessness. Some people using this medication have engaged in activity such as driving, eating, or making phone calls and later having no memory of the activity. If this happens to you, stop taking flurazepam and talk to your doctor

Q.What does flurazepam look like?
Flurazepam is available in the form of capsules in strengths of 15 mg and 30 mg and the look may vary for different brands

Q.How long does flurazepam last/how long does flurazepam stay in your system/urine?
Flurazepam may last for 4 hours to 6 days in your system

Q.How long does flurazepam take to work?
You may start experiencing the benefit of flurazepam on second or third day of treatment. Effect of this medicine may last for a day or two after you start taking it. It may take up to 7-10 days for the sleep problem to resolve after starting the treatment.

Content on this page was last updated on 28 November, 2016, by Dr. Varun Gupta (MD Pharmacology)