FDA Orange Book

Generic for Thorazine

Thorazine contains chlorpromazine. 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 Thorazine is chlorpromazine. 23 companies hold an active FDA approval (ANDA) for a generic version in the Orange Book. Therapeutic equivalence codes: AA, AB, AP. Generics match 8 of the 16 Thorazine products the Orange Book lists.

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Thorazine products in the Orange Book

Thorazine products and approved generics
Form and routeStrengthBrand statusBrand TEActive genericsGeneric TE codes
capsule, extended release, oral150MGDiscontinuedNone0None
capsule, extended release, oral200MGDiscontinuedNone0None
capsule, extended release, oral300MGDiscontinuedNone0None
capsule, extended release, oral30MGDiscontinuedNone0None
capsule, extended release, oral75MGDiscontinuedNone0None
concentrate, oral100MG/MLDiscontinuedNone3AA
concentrate, oral30MG/MLDiscontinuedNone3AA
injectable, injection25MG/MLDiscontinuedNone9AP
suppository, rectal100MGDiscontinuedNone0None
suppository, rectal25MGDiscontinuedNone0None
syrup, oral10MG/5MLDiscontinuedNone0None
tablet, oral100MGDiscontinuedNone12AB
tablet, oral10MGDiscontinuedNone11AB
tablet, oral200MGDiscontinuedNone12AB
tablet, oral25MGDiscontinuedNone12AB
tablet, oral50MGDiscontinuedNone12AB

NDA 011120, 009149, held by GLAXOSMITHKLINE. Active generics are ANDA products in the Orange Book prescription list with the same ingredient, dosage form, route and strength.

Approved generic chlorpromazine

Approved generic versions of Thorazine
CompanyANDATE codeApprovedStrengths
AMNEAL PHARMACEUTICALS CO GMBH209755AB (A-rated, therapeutically equivalent)September 10, 2018100MG, 10MG, 200MG, 25MG, 50MG
ZYDUS LIFESCIENCES GLOBAL FZE213368AB (A-rated, therapeutically equivalent)January 17, 2020100MG, 10MG, 200MG, 25MG, 50MG
EUGIA PHARMA SPECIALITIES LTD211816AP (A-rated, therapeutically equivalent)July 7, 202025MG/ML
SOMERSET THERAPEUTICS LLC213590AB (A-rated, therapeutically equivalent)August 31, 2020100MG, 10MG, 200MG, 25MG, 50MG
LANNETT CO INC212996AB (A-rated, therapeutically equivalent)January 22, 2021100MG, 10MG, 200MG, 25MG, 50MG
GLENMARK PHARMACEUTICALS LTD212144AB (A-rated, therapeutically equivalent)March 23, 2021100MG, 10MG, 200MG, 25MG, 50MG
GENUS LIFESCIENCES INC214542AA (A-rated, therapeutically equivalent)June 2, 2021100MG/ML, 30MG/ML
TEVA PHARMACEUTICALS DEVELOPMENT INC215659AB (A-rated, therapeutically equivalent)October 25, 2021100MG, 10MG, 200MG, 25MG, 50MG
CHARTWELL RX SCIENCES LLC212630AB (A-rated, therapeutically equivalent)November 29, 2021100MG, 10MG, 200MG, 25MG, 50MG
MSN LABORATORIES PRIVATE LTD214827AB (A-rated, therapeutically equivalent)January 27, 2022100MG, 200MG, 25MG, 50MG
LUPIN INC213327AB (A-rated, therapeutically equivalent)July 13, 2023100MG, 10MG, 200MG, 25MG, 50MG
ALEMBIC PHARMACEUTICALS LTD217350AB (A-rated, therapeutically equivalent)July 18, 2023100MG, 10MG, 200MG, 25MG, 50MG
ZYDUS PHARMACEUTICALS USA INC217275AP (A-rated, therapeutically equivalent)March 13, 202425MG/ML
REGCON HOLDINGS LLC218229AP (A-rated, therapeutically equivalent)September 24, 202425MG/ML
GLAND PHARMA LTD216911AP (A-rated, therapeutically equivalent)October 4, 202425MG/ML
ASPIRO PHARMA LTD218272AP (A-rated, therapeutically equivalent)November 18, 202425MG/ML
RISING PHARMA HOLDINGS INC216724AP (A-rated, therapeutically equivalent)December 10, 202425MG/ML
AUROBINDO PHARMA LTD216788AB (A-rated, therapeutically equivalent)April 25, 2025100MG, 10MG, 200MG, 25MG, 50MG
RUBICON RESEARCH LTD216678AA (A-rated, therapeutically equivalent)October 10, 2025100MG/ML, 30MG/ML
MSN LABORATORIES PRIVATE LTD216092AP (A-rated, therapeutically equivalent)January 26, 202625MG/ML
SCIEGEN PHARMACEUTICALS INC080983AA (A-rated, therapeutically equivalent)Approved Prior to Jan 1, 1982100MG/ML, 30MG/ML
DR REDDYS LABORATORIES LTD080365AP (A-rated, therapeutically equivalent)Approved Prior to Jan 1, 198225MG/ML
HIKMA PHARMACEUTICALS USA INC083329AP (A-rated, therapeutically equivalent)Approved Prior to Jan 1, 198225MG/ML
UPSHER SMITH LABORATORIES LLC084114AB (A-rated, therapeutically equivalent)Approved Prior to Jan 1, 1982100MG
UPSHER SMITH LABORATORIES LLC083386AB (A-rated, therapeutically equivalent)Approved Prior to Jan 1, 198210MG
UPSHER SMITH LABORATORIES LLC084115AB (A-rated, therapeutically equivalent)Approved Prior to Jan 1, 1982200MG
UPSHER SMITH LABORATORIES LLC084112AB (A-rated, therapeutically equivalent)Approved Prior to Jan 1, 198225MG
UPSHER SMITH LABORATORIES LLC084113AB (A-rated, therapeutically equivalent)Approved Prior to Jan 1, 198250MG

Questions

Is there a generic for Thorazine?

Yes. The generic name for Thorazine is chlorpromazine. 23 companies hold an active FDA approval (ANDA) for a generic version in the Orange Book. Therapeutic equivalence codes: AA, AB, AP. Generics match 8 of the 16 Thorazine products the Orange Book lists.

What is the generic name for Thorazine?

The active ingredient in Thorazine is chlorpromazine, 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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