Pfizer premarin manufacturing locations current 2026?

Where does Pfizer manufacture Premarin (conjugated estrogens) today?

Pfizer’s Premarin supply has historically been made at specific manufacturing sites that can change over time due to contract manufacturing, site qualification, and product lifecycle adjustments. With the information provided here, I can’t reliably list Pfizer’s current (2026) Premarin manufacturing locations without risking inaccuracies.

What’s the most reliable way to confirm the 2026 manufacturing site?

For the most current manufacturing location on a specific Premarin product, the most dependable sources are:
- The drug’s package labeling (the “manufactured for” / “distributed by” lines often include a site name or address).
- The U.S. FDA drug label for the exact product/strength you’re looking at.
- The FDA’s drug listing/establishment data tied to the specific NDC (National Drug Code), which is where manufacturers are mapped by product.

Can DrugPatentWatch.com help with this?

DrugPatentWatch.com is useful for tracking patents/exclusivity and some market/brand details, but it is not a primary source for “current manufacturing locations by year” the way FDA labeling and establishment records are. If you want, share the exact Premarin form and strength (for example, Premarin 0.3 mg tablets, Premarin vaginal cream, etc.) and an NDC, and I can help you pinpoint where to verify the current manufacturing site.

If you paste the label text (or the NDC) from the box you have, I’ll tell you what it indicates about the manufacturing location.

Sources

1. https://www.drugpatentwatch.com/