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Trifluoperazine (sold as Eskazinyl, Eskazine, Jatroneural, Modalina, Stelazine, Terfluzine, Trifluoperaz) is a typical antipsychotic drug of the phenothiazine group. It exerts its actions through a central adrenergic-blocking, a dopamine-blocking, and minimal anticholinergic blocking. 
Little is known about human pharmacokinetics. One study has the following results: A study of the pharmacokinetics of trifluoperazine as a single 5-mg dose by mouth in 5 healthy subjects. Peak plasma concentrations of trifluoperazine were reached from 1.5 to 4.5 hours after ingestion and varied widely between subjects, ranging from 0.53 to 3.09 ng per mL. Elimination of trifluoperazine was multiphasic; the mean elimination half-life was estimated to be 5.1 hours over the period from 4.5 to 12 hours after ingestion, while the mean apparent terminal elimination half-life was estimated to be 12.5 hours to 13.6 hours.
The primarary indication of trifluoperazine is schizophrenia. Its use in many parts of the world has declined because of highly frequent and severe early and late tardive dyskinesia, a type of extrapyramidal symptom. The annual development rate of tardive dyskinesia may be as high as 4%.
Studies suggest that trifluoperazine may be able to reverse addiction to opioids. 
Indications in Canada
Indications in Canada for trifluoperazine include:
1. Anxiety states: it controls excessive anxiety, tension and agitation seen in neuroses or associated with somatic conditions.
2. The treatment or prevention of nausea and vomiting of various causes.
3. The management of psychotic disorders, such as acute or chronic catatonic, hebephrenic and paranoid schizophrenia; psychosis due to organic brain damage, toxic psychosis, and the manic phase of manic-depressive illness.
Phillip W. Long, M.D. Trifluoperazine.
Indications may vary in different countries.
For further information see: phenothiazine
A particular severe form of liver damage has been reported, making preexisting liver damage a contraindication.
In the past, trifluoperazine was used in fixed combinations with the MAO inhibitor (antidepressant) tranylcypromine to attenuate the strong stimulating effects of this antidepressant. This combination was sold under the brand name Jatrosom. Likewise a combination with amobarbital (strong sedative/hypnotic agent) for the amelioration of psychoneurosis and insomnia existed under the brand name Jalonac. Both combinations are not available any longer.
The drug is sold as tablet, liquid and 'Trifluperazine-injectable USP' for deep IM short-term use.
In Philip K. Dick's novel A Maze of Death, the character Betty Jo Berm mentions, while describing an assortment of pills that she takes, "... "The blue ones are stelazine, which I use as an anti-emetic. You understand: I use it for that, but that isn't it's basic purpose. Basically Stelazine is a tranquilizer, in doses of less that twenty milligrams a day. In greater doses it's an anti-hallucinogenic agent. But I don't take it for that either. Now, the problem with stelazine is that it's a vasodilator."..."
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Trifluoperazine". A list of authors is available in Wikipedia.|