Flurazepam
Systematic ( IUPAC) name
9-chloro-2-(2-diethylaminoethyl)- 6-(2-fluorophenyl)-2,5-diazabicyclo[5.4.0]undeca- 5,8,10,12-tetraen-3-one
Identifiers
CAS number	17617-23-1
ATC code	N05 CD01
PubChem	3393
DrugBank	APRD00983
Chemical data
Formula	C21 H23 Cl F N3 O
Mol. mass	387.88 g/mol
Pharmacokinetic data
Bioavailability	83%
Metabolism	Hepatic
Half life	40–250 hours
Excretion	Renal
Therapeutic considerations
Pregnancy cat.	?
Legal status	Schedule IV ( US )
Routes	Oral

Flurazepam (marketed under the brand names Dalmane and Dalmadorm) is a drug which is a benzodiazepine derivative. It possesses anxiolytic, anticonvulsant, sedative and skeletal muscle relaxant properties.

It has the longest half-life of all of the benzodiazepines (40-250 hours), and may stay in the bloodstream for up to four days.

It is used for short-term treatment of patients with insomnia.

The most common adverse effects are dizziness, drowsiness, lightheadedness and ataxia. Flurazepam has abuse potential and should never be used with alcohol or any other substance that can cause drowsiness. Addictive and possibly fatal results may occur. Flurazepam users should only take this drug strictly as prescribed, and should only be taken directly before the user plans on sleeping a full night. Next day drowsiness is common.

Flurazepam is a Schedule IV drug under the Convention on Psychotropic Substances [1].

External links

• Rx-List - Flurazepam
• Inchem - Flurazepam

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