FDA Orange Book
Generic for Dyazide
Dyazide contains triamterene and hydrochlorothiazide. 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 Dyazide is triamterene and hydrochlorothiazide. 3 companies hold an active FDA approval (ANDA) for a generic version in the Orange Book. Therapeutic equivalence codes: AB. Generics match 1 of the 2 Dyazide products the Orange Book lists.
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Dyazide products in the Orange Book
| Form and route | Strength | Brand status | Brand TE | Active generics | Generic TE codes |
|---|---|---|---|---|---|
| capsule, oral | 25MG;37.5MG | Discontinued | None | 3 | AB |
| capsule, oral | 25MG;50MG | Discontinued | None | 0 | None |
NDA 016042, held by GLAXOSMITHKLINE LLC. Active generics are ANDA products in the Orange Book prescription list with the same ingredient, dosage form, route and strength.
Approved generic triamterene and hydrochlorothiazide
| Company | ANDA | TE code | Approved | Strengths |
|---|---|---|---|---|
| SANDOZ INC | 074821 | AB (A-rated, therapeutically equivalent) | June 5, 1997 | 25MG;37.5MG |
| LANNETT CO INC | 201407 | AB (A-rated, therapeutically equivalent) | December 9, 2011 | 25MG;37.5MG |
| CADILA HEALTHCARE LTD | 208358 | AB (A-rated, therapeutically equivalent) | February 11, 2019 | 25MG;37.5MG |
Questions
Is there a generic for Dyazide?
Yes. The generic name for Dyazide is triamterene and hydrochlorothiazide. 3 companies hold an active FDA approval (ANDA) for a generic version in the Orange Book. Therapeutic equivalence codes: AB. Generics match 1 of the 2 Dyazide products the Orange Book lists.
What is the generic name for Dyazide?
The active ingredient in Dyazide is triamterene and hydrochlorothiazide, 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.