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Systematic (IUPAC) name
CAS number 10379-14-3
ATC code M03BX07
PubChem 25215
Chemical data
Formula C16H17ClN2O 
Mol. mass 288.772
Pharmacokinetic data
Bioavailability  ?
Metabolism  ?
Half life 15 hours
Excretion  ?
Therapeutic considerations
Pregnancy cat.


Legal status
Routes Oral

Tetrazepam, (Clinoxan, Epsipam, Myolastan, Musaril, Relaxam, Spasmorelax) is a benzodiazepine derivative with anxiolytic and muscle relaxant properties. It is used mainly in Austria, France, Belgium and Germany to treat muscle spasm, anxiety disorders such as panic attacks, or more rarely to treat depression, premenstrual syndrome or agoraphobia. Tetrazepam has relatively little sedative effect at low doses while still producing useful muscle relaxation and anxiety relief.

The indicated adult dose for muscle spasm is 50 mg three to four times per day, increased if necessary to a maximum of 800mg per day, in divided doses. Tetrazepam is not generally recommended for use in children, except on the advice of a specialist.

Tetrazepam is only available in one strength and formulation, 50mg tablets. This dose is approximately equivalent to 5-7.5mg oral diazepam. Prolonged use, as with all benzodiazepines, should be avoided, as tolerance occurs and there is a risk of possible dependence and a benzodiazepine withdrawal syndrome after stopping or reducing dosage.

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Tetrazepam". A list of authors is available in Wikipedia.
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