FDA Orange Book

Generic for Tenormin

Tenormin contains atenolol. 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 Tenormin is atenolol. 9 companies hold an active FDA approval (ANDA) for a generic version in the Orange Book. Therapeutic equivalence codes: AB. Generics match 3 of the 4 Tenormin products the Orange Book lists.

Run it in Rivvi

Map Tenormin and your other top fills to their generics

Every strength in RxNorm, with brands that have no generic flagged.

Build the map

Free to start. Opens Rivvi, the AI workspace for healthcare teams.

Tenormin products in the Orange Book

Tenormin products and approved generics
Form and routeStrengthBrand statusBrand TEActive genericsGeneric TE codes
injectable, injection0.5MG/MLDiscontinuedNone0None
tablet, oral100MGMarketed (Rx)AB9AB
tablet, oral25MGMarketed (Rx)AB9AB
tablet, oral50MGMarketed (Rx)AB9AB

NDA 019058, 018240, held by ASTRAZENECA PHARMACEUTICALS LP. Active generics are ANDA products in the Orange Book prescription list with the same ingredient, dosage form, route and strength.

Approved generic atenolol

Approved generic versions of Tenormin
CompanyANDATE codeApprovedStrengths
AIPING PHARMACEUTICAL INC072304AB (A-rated, therapeutically equivalent)July 15, 1988100MG, 25MG, 50MG
PHARMOBEDIENT CONSULTING LLC073026AB (A-rated, therapeutically equivalent)September 17, 1991100MG, 25MG, 50MG
MYLAN PHARMACEUTICALS INC073457AB (A-rated, therapeutically equivalent)January 24, 1992100MG, 25MG, 50MG
TEVA PHARMACEUTICALS USA INC074056AB (A-rated, therapeutically equivalent)January 18, 1995100MG, 25MG, 50MG
ZYDUS PHARMACEUTICALS USA INC076900AB (A-rated, therapeutically equivalent)January 28, 2005100MG, 25MG, 50MG
UNIQUE PHARMACEUTICAL LABORATORIES A DIV OF JB CHEMICALS AND PHARMACEUTICALS LTD077443AB (A-rated, therapeutically equivalent)September 13, 2006100MG, 25MG, 50MG
IPCA LABORATORIES LTD077877AB (A-rated, therapeutically equivalent)December 27, 2006100MG, 25MG, 50MG
AUROBINDO PHARMA LTD078512AB (A-rated, therapeutically equivalent)October 31, 2007100MG, 25MG, 50MG
UNICHEM LABORATORIES LTD213136AB (A-rated, therapeutically equivalent)November 21, 2019100MG, 25MG, 50MG

Tenormin NDC codes

Questions

Is there a generic for Tenormin?

Yes. The generic name for Tenormin is atenolol. 9 companies hold an active FDA approval (ANDA) for a generic version in the Orange Book. Therapeutic equivalence codes: AB. Generics match 3 of the 4 Tenormin products the Orange Book lists.

What is the generic name for Tenormin?

The active ingredient in Tenormin is atenolol, 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.

More on Tenormin and Atenolol

Try it on your own data today.

Free to start. Most teams are using it the same day.