Drug
Who makes estrogens, conjugated?
4 companies list estrogens, conjugated as a human prescription drug, including under the names Premarin. Forms: tablet, film coated. Routes: oral.
Labellers from the openFDA NDC Directory. A labeller is the firm named on the label, not necessarily the site that made the product, and a listing is not an FDA approval. Data as of 24 Sept 2026. Methodology
Companies listing estrogens, conjugated
| Company | Forms | Application | NDCs | Registered sites |
|---|---|---|---|---|
| Wyeth Pharmaceuticals LLC, a subsidiary of Pfizer Inc.United States | tablet, film coated | NDANDA004782 | 5 | 10 |
| Ingenus Pharmaceuticals, LLC | tablet, film coated | ANDAANDA214023, ANDA214025 | 5 | 0 |
| Prasco Laboratories | tablet, film coated | NDA AUTHORIZED GENERICNDA004782 | 5 | 0 |
| International Medication Systems, Ltd.United States | tablet, film coated | NDANDA004782 | 2 | 3 |
Bulk ingredient listings
- Aspen Oss B.V.Netherlands · 2 NDC
- Symbiotec Pharmalab LimitedIndia · 2 NDC
- Sterling Pharmaceutical Services, LLCUnited States · 1 NDC
Enquiry
Common questions
- Who makes estrogens, conjugated?
- 4 companies list estrogens, conjugated as a human prescription drug in the openFDA NDC Directory, led by Wyeth Pharmaceuticals LLC, a subsidiary of Pfizer Inc., Ingenus Pharmaceuticals, LLC, Prasco Laboratories, International Medication Systems, Ltd.. Each is the labeller, the firm named on the label; the product may be made at a site registered to another company.
- Is there a generic Premarin?
- 1 company lists estrogens, conjugated under an abbreviated new drug application (ANDA), the application type used for generics, and 2 under an NDA or BLA. Listing status is from the NDC Directory; it is not a statement of availability.
- Who supplies estrogens, conjugated active ingredient?
- 3 companies list estrogens, conjugated as a bulk ingredient, including Aspen Oss B.V., Symbiotec Pharmalab Limited, Sterling Pharmaceutical Services, LLC.