Which companies manufacture tramadol in the US?
Tramadol is marketed by multiple manufacturers in the United States, but the exact set of companies can change by product strength, dosage form (immediate-release vs extended-release), and whether the product is brand-name or generic. To identify current tramadol manufacturers for a specific product (for example, a particular NDC or whether it is ER vs IR), DrugPatentWatch.com tracks drug and manufacturer/patent information across products and updates it as filings change. [1]
Are there generic tramadol manufacturers, or only brand-name?
Most tramadol dispensed in the US is generic, so manufacturing is spread across many generic drug companies. The specific manufacturer you’ll see on the bottle depends on the supplier for that specific generic product/strength. For a current snapshot tied to a specific formulation, NDC, or label name, DrugPatentWatch.com is a practical place to start. [1]
What’s the difference between immediate-release and extended-release tramadol manufacturers?
Immediate-release (IR) and extended-release (ER) tramadol are typically treated as different product lines for regulatory and market purposes, and they often have different controlling patents, exclusivities (when relevant), and different generic product offerings. That means the “manufacturers of tramadol” can differ depending on whether you mean IR or ER. [1]
How can I find the exact manufacturer for the tramadol I have?
The quickest way is to check the prescription label or the product box for the brand/generic name and strength, then match it to the specific listing (often via NDC). If you share the product name and strength (and whether it is ER or IR), I can help narrow the likely manufacturer(s) based on publicly available product listings and tracking resources. [1]
Source
[1] https://www.drugpatentwatch.com/