FDA Orange Book
Generic for Periostat
Periostat contains doxycycline. 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 Periostat is doxycycline. 5 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 Periostat products the Orange Book lists.
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Periostat products in the Orange Book
| Form and route | Strength | Brand status | Brand TE | Active generics | Generic TE codes |
|---|---|---|---|---|---|
| capsule, oral | EQ 20MG BASE | Discontinued | None | 0 | None |
| tablet, oral | EQ 20MG BASE | Discontinued | None | 5 | AB |
NDA 050744, 050783, held by COLLAGENEX INC. Active generics are ANDA products in the Orange Book prescription list with the same ingredient, dosage form, route and strength.
Approved generic doxycycline
| Company | ANDA | TE code | Approved | Strengths |
|---|---|---|---|---|
| EPIC PHARMA LLC | 065182 | AB (A-rated, therapeutically equivalent) | May 13, 2005 | EQ 20MG BASE |
| SUN PHARMACEUTICAL INDUSTRIES INC | 065134 | AB (A-rated, therapeutically equivalent) | May 13, 2005 | EQ 20MG BASE |
| CHARTWELL MOLECULAR HOLDINGS LLC | 065277 | AB (A-rated, therapeutically equivalent) | November 10, 2005 | EQ 20MG BASE |
| PHARMOBEDIENT CONSULTING LLC | 065287 | AB (A-rated, therapeutically equivalent) | February 28, 2006 | EQ 20MG BASE |
| ALEMBIC PHARMACEUTICALS LTD | 210537 | AB (A-rated, therapeutically equivalent) | March 3, 2020 | EQ 20MG BASE |
Questions
Is there a generic for Periostat?
Yes. The generic name for Periostat is doxycycline. 5 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 Periostat products the Orange Book lists.
What is the generic name for Periostat?
The active ingredient in Periostat is doxycycline, 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.