FDA Orange Book

Generic for Xenazine

Xenazine contains tetrabenazine. Orange Book status for every listed strength, the approved generic makers, and the listed patents and exclusivities.

Source: FDA Orange Book data file dated 2026-10-09. Publisher page

Yes. The generic name for Xenazine is tetrabenazine. 8 companies hold an active FDA approval (ANDA) for a generic version in the Orange Book. Therapeutic equivalence codes: AB.

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Xenazine products in the Orange Book

Xenazine products and approved generics
Form and routeStrengthBrand statusBrand TEActive genericsGeneric TE codes
tablet, oral12.5MGMarketed (Rx)AB7AB
tablet, oral25MGMarketed (Rx)AB8AB

NDA 021894, held by BAUSCH HEALTH US LLC. Active generics are ANDA products in the Orange Book prescription list with the same ingredient, dosage form, route and strength.

Approved generic tetrabenazine

Approved generic versions of Xenazine
CompanyANDATE codeApprovedStrengths
HETERO LABS LTD UNIT V204574AB (A-rated, therapeutically equivalent)February 3, 201612.5MG, 25MG
MYLAN PHARMACEUTICALS INC207682AB (A-rated, therapeutically equivalent)January 31, 201712.5MG, 25MG
ACTAVIS LABORATORIES FL INC206686AB (A-rated, therapeutically equivalent)July 7, 201725MG
BIONPHARMA INC208826AB (A-rated, therapeutically equivalent)December 18, 201712.5MG, 25MG
DR REDDYS LABORATORIES LTD209284AB (A-rated, therapeutically equivalent)January 8, 201812.5MG, 25MG
CHARTWELL RX SCIENCES LLC210544AB (A-rated, therapeutically equivalent)April 20, 201812.5MG, 25MG
PIRAMAL HEALTHCARE UK LTD213316AB (A-rated, therapeutically equivalent)January 22, 202012.5MG, 25MG
APOTEX INC206093AB (A-rated, therapeutically equivalent)March 17, 202012.5MG, 25MG

Xenazine NDC codes

Questions

Is there a generic for Xenazine?

Yes. The generic name for Xenazine is tetrabenazine. 8 companies hold an active FDA approval (ANDA) for a generic version in the Orange Book. Therapeutic equivalence codes: AB.

What is the generic name for Xenazine?

The active ingredient in Xenazine is tetrabenazine, per the FDA Orange Book.

What does a therapeutic equivalence code mean?

In the Orange Book, codes that start with A (such as AB) mean FDA considers the product therapeutically equivalent to the reference drug. Codes that start with B mean FDA does not, at this time, consider the product therapeutically equivalent.

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