FDA Orange Book · active-ingredient family
Erythromycin estolate; sulfisoxazole acetyl
Erythromycin estolate; sulfisoxazole acetyl: 1 brand, 0 generics; first approved Sep 29, 1989.
Brand onlyHas discontinued products
Generic status & protection
No listed patents or exclusivity: brand product(s) only.
Brands (NDA)
1
Generics (ANDA)
0
Listed patents
0
Presentations
1
Brand (NDA) products
Originator applications
- LILLYNDA 0505991989
Approved strengths under this FDA application. Strength Dosage form Route Status TE EQ 125MG BASE/5ML;EQ 600MG BASE/5ML SUSPENSION ORAL Discontinued —
Listed patents
Orange Book patent file
No patents are listed against this product in the Orange Book. Listed patents reflect those the NDA holder submits under 21 U.S.C. 355 and are not exhaustive.
Approval history
FDA approval span
First approval
37 yr 4 mo ago
Most recent approval
37 yr 4 mo ago
All 1 application were approved in 1989.
Brand (NDA) 1100%
Generic (ANDA) 00%
Erythromycin estolate; sulfisoxazole acetyl: frequently asked questions
Generics, reference-listed drug, patents, and exclusivity for this active ingredient, from the FDA Orange Book.
Built directly from the FDA Orange Book data file (products, patents, and exclusivity). TE codes, RLD/RS flags, patent expirations, and exclusivity dates match the official FDA record. Listed patents reflect those the NDA holder submits under 21 U.S.C. 355 and are not exhaustive.
Related FDA reference tools
- FDA Purple BookLicensed biologics, biosimilars, interchangeables, BLA records, and exclusivity dates.
- FDA BiosimilarsFDA-approved biosimilars and interchangeable biosimilars, by reference product.
- 510(k) Predicate DatabaseSearch FDA 510(k) clearances and map predicate-device lineage.
- FDA 483 DatabaseFDA Form 483 observations and inspection records by firm, date, and citation.
