II. Indications
-
Insomnia
- Short-term use only
III. Dosing: Adults
- Dose: 15-30 mg at bedtime as needed for Insomnia
- Max Daily Dose: 30 mg (15 mg in elderly or debilitated)
IV. Dosing: Equivalents with other Benzodiazepines
- Valium = Flurazepam Dose x 0.6
- Phenobarbital = Flurazepam Dose x2.0
V. Precautions
- Drug accumulation in elderly
VI. Pharmacokinetics
VII. Adverse Effects
VIII. Advantages
- Long half life prevents rebound Insomnia
- Rebound is often seen in other Benzodiazepines used >30 days
IX. Safety
- Pregnancy Category X (all trimesters)
- Avoid in Lactation
- Schedule IV Controlled Substance
X. Resources
XI. References
- (2019) Med Lett Drugs Ther 61(1578): 121-6
- (2020) Presc Lett, Resource #361206, Appropriate Use of Benzodiazepines
- Olson (2020) Clinical Pharmacology, Medmaster Miami, p. 55
- Hamilton (2020) Tarascon Pocket Pharmacopoeia
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Definition (NCI) | A member of the benzodiazepines and a long-acting depressor of the central nervous system (CNS) with sedative and hypnotic effects. Flurazepam binds to a specific site on the benzodiazepine-gamma-aminobutyric acid (GABA)-A-chloride ionophore receptor complex located on the neuronal membrane. Binding causes an allosteric modification of the receptor thereby enhancing the affinity of GABA to the receptor leading to an increase in the frequency of chloride-channel opening events, which leads to an increase in chloride ion conductance, neuronal hyperpolarization, inhibition of the action potential, and a decrease in neuronal excitability. By modulating binding of the GABA inhibitory neurotransmitter to GABA-A receptors in the ascending reticular activating system, flurazepam blocks arousal of the cortical and limbic system, thereby exerting its sedative and hypnotic effect. |
Definition (MSH) | A benzodiazepine derivative used mainly as a hypnotic. |
Definition (PSY) | Organic heterocyclic compound, used as a benzodiazepine tranquilizer and a nonbarbiturate sedative. |
Definition (CSP) | benzodiazepine derivative used mainly as a sedative and hypnotic in the treatment of insomnia. |
Concepts | Pharmacologic Substance (T121) , Organic Chemical (T109) |
MSH | D005479 |
SnomedCT | 19403009, 387109000 |
LNC | LP16153-6, MTHU003487 |
English | Flurazepam, flurazepam, 2H-1,4-Benzodiazepin-2-one, 7-chloro-1-(2-(diethylamino)ethyl)-5-(2-fluorophenyl)-1,3-dihydro-, Flurazepam [Chemical/Ingredient], 7-Chloro-1-(2-(diethylamino)ethyl)-5-(2-fluorophenyl)-1,3-dihydro-2H-1,4-benzodiazepin-2-one, FLURAZEPAM, Flurazepam (product), Flurazepam (substance) |
Swedish | Flurazepam |
Czech | flurazepam |
Finnish | Fluratsepaami |
Russian | FLURAZEPAM, ФЛУРАЗЕПАМ |
Japanese | フルラゼパム |
Spanish | fluracepam (producto), fluracepam, flurazepam (producto), fluracepam (sustancia), flurazepam (sustancia), flurazepam, Flurazepam |
Polish | Flurazepam |
French | Flurazépam |
German | Flurazepam |
Italian | Flurazepam |
Portuguese | Flurazepam |
Ontology: Dalmane (C0733803)
Concepts | Pharmacologic Substance (T121) , Organic Chemical (T109) |
MSH | D005479 |
English | dalmane, Dalmane, Allphar Brand of Flurazepam Monohydrochloride, Dalmadorm, Dormodor, ICN Brand of Flurazepam Monohydrochloride |