FDA Orange Book
Generic for E.e.s
E.e.s contains erythromycin ethylsuccinate. 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 E.e.s is erythromycin ethylsuccinate. 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 E.e.s products the Orange Book lists.
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E.e.s products in the Orange Book
| Form and route | Strength | Brand status | Brand TE | Active generics | Generic TE codes |
|---|---|---|---|---|---|
| granule, oral | EQ 200MG BASE/5ML | Marketed (Rx) | AB | 4 | AB |
| tablet, chewable, oral | EQ 200MG BASE | Discontinued | None | 0 | None |
NDA 050207, 050297, held by CARNEGIE PHARMACEUTICALS LLC. Active generics are ANDA products in the Orange Book prescription list with the same ingredient, dosage form, route and strength.
Approved generic erythromycin ethylsuccinate
| Company | ANDA | TE code | Approved | Strengths |
|---|---|---|---|---|
| AMNEAL PHARMACEUTICALS OF NEW YORK LLC | 211204 | AB (A-rated, therapeutically equivalent) | November 1, 2019 | EQ 200MG BASE/5ML |
| CADILA PHARMACEUTICALS LTD | 216212 | AB (A-rated, therapeutically equivalent) | November 21, 2022 | EQ 200MG BASE/5ML |
| ANI PHARMACEUTICALS INC | 062055 | AB (A-rated, therapeutically equivalent) | Approved Prior to Jan 1, 1982 | EQ 200MG BASE/5ML, EQ 200MG BASE/5ML |
E.e.s NDC codes
Questions
Is there a generic for E.e.s?
Yes. The generic name for E.e.s is erythromycin ethylsuccinate. 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 E.e.s products the Orange Book lists.
What is the generic name for E.e.s?
The active ingredient in E.e.s is erythromycin ethylsuccinate, 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.