FDA Orange Book
Generic for Tenoretic
Tenoretic contains atenolol and chlorthalidone. 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 Tenoretic is atenolol and chlorthalidone. 5 companies hold an active FDA approval (ANDA) for a generic version in the Orange Book. Therapeutic equivalence codes: AB.
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Tenoretic products in the Orange Book
| Form and route | Strength | Brand status | Brand TE | Active generics | Generic TE codes |
|---|---|---|---|---|---|
| tablet, oral | 100MG;25MG | Discontinued | None | 5 | AB |
| tablet, oral | 50MG;25MG | Discontinued | None | 5 | AB |
NDA 018760, held by TWI PHARMACEUTICALS INC. Active generics are ANDA products in the Orange Book prescription list with the same ingredient, dosage form, route and strength.
Approved generic atenolol and chlorthalidone
| Company | ANDA | TE code | Approved | Strengths |
|---|---|---|---|---|
| AIPING PHARMACEUTICAL INC | 072302 | AB (A-rated, therapeutically equivalent) | May 31, 1990 | 100MG;25MG, 50MG;25MG |
| WATSON LABORATORIES INC | 073665 | AB (A-rated, therapeutically equivalent) | July 2, 1992 | 100MG;25MG, 50MG;25MG |
| ZYDUS PHARMACEUTICALS USA INC | 210028 | AB (A-rated, therapeutically equivalent) | March 8, 2019 | 100MG;25MG, 50MG;25MG |
| UNICHEM LABORATORIES LTD | 213302 | AB (A-rated, therapeutically equivalent) | November 25, 2020 | 100MG;25MG, 50MG;25MG |
| NOVITIUM PHARMA LLC | 215560 | AB (A-rated, therapeutically equivalent) | October 25, 2021 | 100MG;25MG, 50MG;25MG |
Questions
Is there a generic for Tenoretic?
Yes. The generic name for Tenoretic is atenolol and chlorthalidone. 5 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 Tenoretic?
The active ingredient in Tenoretic is atenolol and chlorthalidone, 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.