United States· US:66993-297_ce793f9e-0c20-43e6-9dc0-064e5c82e243
Conjugated Estrogens
A medicinal product containing estrogens, conjugated, registered in United States by Prasco Laboratories.
Checked against FDA National Drug Code directory (United States) on
Informational only — not a medical device.
The record
At a glance
FDA National Drug Code directory (United States)- Active substance
- ESTROGENS, CONJUGATED
- Manufacturer
- Prasco Laboratories
- Country
- United States (US)
- ATC code
- —
- Reimbursed
- Not published by this register
- Source register
- FDA National Drug Code directory (United States)
- Last checked
- September 27, 2026
Packs & prices · 2
- ndc1166993-297-02
- ndc116699329702100 TABLET, FILM COATED in 1 BOTTLE (66993-297-02)
Regulatory notes
No shortage, Orange Book or US label notes for this record.
Same medicine, other countries
Estrogens, conjugated in 7 other countries
What each register calls a product with the same active substance — salts and hydrates count as the same.
- United KingdomConjugated oestrogens 1.25mg tabletsPfizer Ltd
- CanadaPREMARINPFIZER CANADA ULC
- IrelandPremarin 0.625 mg Prolonged-release tabletsPfizer Healthcare Ireland Unlimited Company
- SpainEQUIN 0,6 mg COMPRIMIDOSLaboratorio Aldo Union S.L.
- FinlandPremarinWyeth Medica Ireland
- BelgiumDuavive 0.45 mg - 20 mgPfizer Europe MA
- Japan結合型エストロゲンファイザー
Authorised across Europe · EMA
The same active substance is authorised in 3 EEA countries. Names it is sold under:
- Spain · Equín
- United Kingdom (Northern Ireland) · Conjugated Oestrogens Pfizer, Premarin
- Ireland · Premarin
Source: European Medicines Agency, Article 57 product data.
Sourced from a public register and reproduced with attribution. Drug Database is not affiliated with, endorsed by, or a partner of FDA National Drug Code directory (United States). This is an informational data service and not a medical device — verify against the official source of record before any clinical decision.
For developers
The same record over the API, and the raw payload
GET /v1/drugs/e0791fc7-4908-4135-95d5-6ecb2a077c16 GET /v1/drugs/e0791fc7-4908-4135-95d5-6ecb2a077c16?format=fhir
Every response carries last_synced_at, so freshness is a field rather than a promise. Below is exactly what the ingestion wrote, before any presentation — the same JSON the API returns under payload.
{
"route": "ORAL",
"source": "ndc",
"strength": ".625",
"substance": "ESTROGENS, CONJUGATED",
"productndc": "66993-297",
"dosage_form": "TABLET, FILM COATED",
"dea_schedule": null,
"strength_unit": "mg/1",
"application_number": "NDA004782",
"marketing_category": "NDA AUTHORIZED GENERIC"
}See everything about estrogens, conjugated.
This page is the registration. A free account adds the label text as the regulator wrote it, what it costs per daily dose across the markets that publish a price, a feed of what changes in the registers, and an assistant that answers with its sources. Interaction severity is free; mechanism and management are on the Growth plan. No card, nothing to install.