FDA Orange Book

Generic for Levoxyl

Levoxyl contains levothyroxine. 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 Levoxyl is levothyroxine. 7 companies hold an active FDA approval (ANDA) for a generic version in the Orange Book. Therapeutic equivalence codes: AB1,AB2,AB3, AB1,AB2,AB3,AB4, AB2, AB4. Generics match 11 of the 12 Levoxyl products the Orange Book lists.

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Levoxyl products in the Orange Book

Levoxyl products and approved generics
Form and routeStrengthBrand statusBrand TEActive genericsGeneric TE codes
tablet, oral0.025MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine SodiumMarketed (Rx)AB1,AB37AB1,AB2,AB3,AB4, AB1,AB2,AB3, AB4, AB2
tablet, oral0.05MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine SodiumMarketed (Rx)AB1,AB37AB1,AB2,AB3,AB4, AB1,AB2,AB3, AB4, AB2
tablet, oral0.075MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine SodiumMarketed (Rx)AB1,AB37AB1,AB2,AB3,AB4, AB1,AB2,AB3, AB4, AB2
tablet, oral0.088MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine SodiumMarketed (Rx)AB1,AB37AB1,AB2,AB3,AB4, AB1,AB2,AB3, AB4, AB2
tablet, oral0.112MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine SodiumMarketed (Rx)AB1,AB37AB1,AB2,AB3,AB4, AB1,AB2,AB3, AB4, AB2
tablet, oral0.125MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine SodiumMarketed (Rx)AB1,AB37AB1,AB2,AB3,AB4, AB1,AB2,AB3, AB4, AB2
tablet, oral0.137MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine SodiumMarketed (Rx)AB1,AB37AB1,AB2,AB3,AB4, AB1,AB2,AB3, AB4, AB2
tablet, oral0.15MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine SodiumMarketed (Rx)AB1,AB37AB1,AB2,AB3,AB4, AB1,AB2,AB3, AB4, AB2
tablet, oral0.175MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine SodiumMarketed (Rx)AB1,AB37AB1,AB2,AB3,AB4, AB1,AB2,AB3, AB4, AB2
tablet, oral0.1MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine SodiumMarketed (Rx)AB1,AB37AB1,AB2,AB3,AB4, AB1,AB2,AB3, AB4, AB2
tablet, oral0.2MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine SodiumMarketed (Rx)AB1,AB37AB1,AB2,AB3,AB4, AB1,AB2,AB3, AB4, AB2
tablet, oral0.3MGDiscontinuedNone0None

NDA 021301, held by KING PHARMACEUTICALS RESEARCH AND DEVELOPMENT LLC. Active generics are ANDA products in the Orange Book prescription list with the same ingredient, dosage form, route and strength.

Approved generic levothyroxine

Approved generic versions of Levoxyl
CompanyANDATE codeApprovedStrengths
MYLAN PHARMACEUTICALS INC076187AB1,AB2,AB3,AB4 (A-rated, therapeutically equivalent)June 5, 20020.025MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.05MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.075MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.088MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.112MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.125MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.137MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.15MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.175MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.1MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.2MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium
LUPIN INC209713AB1,AB2,AB3 (A-rated, therapeutically equivalent)January 18, 20190.025MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.05MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.075MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.088MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.112MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.125MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.137MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.15MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.175MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.1MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.2MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium
ACCORD HEALTHCARE INC212399AB1,AB2,AB3,AB4 (A-rated, therapeutically equivalent)October 19, 20200.025MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.05MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.075MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.088MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.112MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.125MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.137MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.15MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.175MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.1MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.2MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium
WATSON LABORATORIES INC AN INDIRECT WHOLLY OWNED SUB OF TEVA PHARMACEUTICALS USA INC207588AB1,AB2,AB3,AB4 (A-rated, therapeutically equivalent)May 10, 20220.025MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.05MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.075MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.088MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.112MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.125MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.137MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.15MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.175MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.1MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.2MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium
MACLEODS PHARMACEUTICALS LTD211417AB1,AB2,AB3,AB4 (A-rated, therapeutically equivalent)December 21, 20220.025MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.05MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.075MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.088MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.112MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.125MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.137MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.15MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.175MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.1MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.2MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium
ASCENT PHARMACEUTICALS INC215259AB4 (A-rated, therapeutically equivalent)January 18, 20230.025MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.05MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.075MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.088MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.112MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.125MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.137MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.15MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.175MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.1MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.2MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium
ALEMBIC PHARMACEUTICALS LTD216370AB2 (A-rated, therapeutically equivalent)May 20, 20260.025MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.05MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.075MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.088MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.112MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.125MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.137MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.15MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.175MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.1MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium, 0.2MG **See current Annual Edition, 1.8 Description of Special Situations, Levothyroxine Sodium

Levoxyl NDC codes

Questions

Is there a generic for Levoxyl?

Yes. The generic name for Levoxyl is levothyroxine. 7 companies hold an active FDA approval (ANDA) for a generic version in the Orange Book. Therapeutic equivalence codes: AB1,AB2,AB3, AB1,AB2,AB3,AB4, AB2, AB4. Generics match 11 of the 12 Levoxyl products the Orange Book lists.

What is the generic name for Levoxyl?

The active ingredient in Levoxyl is levothyroxine, 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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