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Xenazine

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Overview

What is Xenazine?

XENAZINE (tetrabenazine) is a monoamine depletor for oral administration. The molecular weight of tetrabenazine is 317.43; the pKa is 6.51. Tetrabenazine is a hexahydro-dimethoxy-benzoquinolizine derivative and has the following chemical name: cis rac –1,3,4,6,7,11b-hexahydro-9,10-dimethoxy-3-(2-methylpropyl)-2H-benzo[a]quinolizin-2-one.

The empirical formula CHNOis represented by the following structural formula:

Tetrabenazine is a white to slightly yellow crystalline powder that is sparingly soluble in water and soluble in ethanol.

Each XENAZINE (tetrabenazine) tablet contains either 12.5 or 25 mg of tetrabenazine as the active ingredient.

XENAZINE (tetrabenazine) tablets contain tetrabenazine as the active ingredient and the following inactive ingredients: lactose, magnesium stearate, maize starch, and talc. The 25 mg strength tablet also contains yellow iron oxide as an inactive ingredient.

XENAZINE (tetrabenazine) tablets are supplied as a yellowish-buff, scored tablet containing 25 mg of tetrabenazine or as a white, non-scored tablet containing 12.5 mg of tetrabenazine.



What does Xenazine look like?



What are the available doses of Xenazine?

Tablets: 12.5 mg non-scored and 25 mg scored ()

What should I talk to my health care provider before I take Xenazine?

Pregnancy: Based on animal data, may cause fetal harm. ()

How should I use Xenazine?

XENAZINE is indicated for the treatment of chorea associated with Huntington's disease.

The chronic daily dose of XENAZINE used to treat chorea associated with Huntington's disease (HD) is determined individually for each patient. When first prescribed, XENAZINE therapy should be titrated slowly over several weeks to identify a dose of XENAZINE that reduces chorea and is tolerated. XENAZINE can be administered without regard to food


What interacts with Xenazine?

Sorry No Records found


What are the warnings of Xenazine?

Sorry No Records found


What are the precautions of Xenazine?

Sorry No Records found


What are the side effects of Xenazine?

Sorry No records found


What should I look out for while using Xenazine?

XENAZINE is contraindicated in patients:


What might happen if I take too much Xenazine?

Three episodes of overdose occurred in the open-label trials performed in support of registration. Eight cases of overdose with XENAZINE have been reported in the literature. The dose of XENAZINE in these patients ranged from 100 mg to 1 g. Adverse reactions associated with XENAZINE overdose include acute dystonia, oculogyric crisis, nausea and vomiting, sweating, sedation, hypotension, confusion, diarrhea, hallucinations, rubor, and tremor.

Treatment should consist of those general measures employed in the management of overdosage with any CNS-active drug. General supportive and symptomatic measures are recommended. Cardiac rhythm and vital signs should be monitored. In managing overdosage, the possibility of multiple drug involvement should always be considered. The physician should consider contacting a poison control center on the treatment of any overdose.


How should I store and handle Xenazine?

Store at 25ºC (77ºF); excursions permitted to 15° to 30ºC (59° to 86ºF) [see USP Controlled Room Temperature].Clindamycin palmitate HCl for oral solution, USP (pediatric) is a white to off-white powder forming a clear colorless cherry flavored solution upon constitution with water. When reconstituted as directed, each bottle yields 100 mL of solution containing 75 mg of clindamycin per 5 mL (NDC 65162-468-19). Rx onlyClindamycin palmitate HCl for oral solution, USP (pediatric) is a white to off-white powder forming a clear colorless cherry flavored solution upon constitution with water. When reconstituted as directed, each bottle yields 100 mL of solution containing 75 mg of clindamycin per 5 mL (NDC 65162-468-19). Rx onlyClindamycin palmitate HCl for oral solution, USP (pediatric) is a white to off-white powder forming a clear colorless cherry flavored solution upon constitution with water. When reconstituted as directed, each bottle yields 100 mL of solution containing 75 mg of clindamycin per 5 mL (NDC 65162-468-19). Rx only