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Flurazepam

Generic Medicine
Indications

Flurazepam is indicated in the following conditions:

  • Insomnia characterized by difficulty in falling asleep, frequent nocturnal awakenings or early morning awakenings
  • Recurring insomnia or poor sleeping habits
  • In acute or chronic medical situations requiring restful sleep
Pharmacology

Flurazepam, a benzodiazepine derivative, is a hypnotic agent which does not appear to decrease dream time as measured by rapid eye movements (REM). Furthermore, it decreases sleep latency and the number of awakenings for a consequent increase in total sleep time. Flurazepam binds to an allosteric site on GABA-A receptors. Binding potentiates the action of GABA on GABA-A receptors by opening the chloride channel within the receptor, causing chloride influx and hyperpolarization.

Dosage Administration

Adult: Usual dosage is 30 mg at bedtime. In some patients, 15 mg may be sufficient.

Elderly or debilitated: 15 mg is usually sufficient for a therapeutic response.

Children: Not recommended.

In hepatic and renal impairment: Dosage may need to be reduced in patients with impaired hepatic or renal function.

Interactions

Flurazepam potentiates other CNS depressants such as alcohol, barbiturates, sedative antidepressants, antihistamines, and antipsychotic drugs. Cimetidine moderately prolongs the already long half-life of the active metabolite desalkylflurazepam. Antacids may delay the absorption of benzodiazepines.

Contraindications

 

Patients with known hypersensitivity to benzodiazepines or any other ingredients of the capsule.

Side Effects

Dizziness, drowsiness, light-headedness, staggering, and ataxia have occurred, particularly in elderly or debilitated persons. Severe sedation, lethargy, disorientation, and coma have been reported.

Pregnancy & Lactation

Pregnancy Category C. Flurazepam is contraindicated in pregnant women. Lactating mothers should avoid it.

Precautions & Warnings

Since the risk of the development of oversedation, dizziness, confusion, or ataxia increases substantially with larger doses in elderly and debilitated patients, it is recommended that in such patients the dosage should be limited to 15 mg. The usual precautions are indicated for severely depressed patients or those in whom there is any evidence of latent depression, particularly the recognition that suicidal tendencies may be present and protective measures may be necessary. The usual precautions should be observed in patients with chronic pulmonary insufficiency.

Overdose Effects

Flurazepam overdosage includes somnolence, confusion, and coma. Respiration, pulse, and blood pressure should be monitored as in all cases of drug overdosage. General supportive measures should be employed, along with immediate gastric lavage.

Therapeutic Class

Benzodiazepine hypnotics

Storage Conditions

Keep below 30°C temperature, away from light & moisture. Keep out of the reach of children.

Common Questions

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