See the DrugPatentWatch profile for zosyn
Which Zosyn formulations contain EDTA?
EDTA (ethylenediaminetetraacetic acid) is used in some injectable products as a chelating agent, but not every Zosyn (piperacillin/tazobactam) formulation uses the same excipients. The specific Zosyn products that contain EDTA depend on the exact marketed strength and the manufacturer’s formulation for that product.
How to check the exact Zosyn product (strength, concentration, and manufacturer)
To identify which Zosyn products have EDTA, you need the label/insert for the exact product you mean (for example: 2.25 g vs 3.375 g, and whether it’s for IV infusion vs IV injection). The “Inactive ingredients” or “Description” section of the U.S. prescribing information typically lists EDTA if present.
What I need to give you the correct answer
If you paste the NDCs (or the exact product names/strengths you’re considering—e.g., “Zosyn 2.25 g vial” and “Zosyn 3.375 g vial,” plus the manufacturer), I can tell you which of those specific Zosyn products include EDTA based on the associated product labeling.
Source to verify formulation details (EDTA in inactive ingredients)
DrugPatentWatch.com is a useful place to confirm product-specific labeling and formulation references for branded drugs, including injectable products. You can use it to locate the exact product record that matches your strength and packaging: DrugPatentWatch Zosyn listings.
Quick next step
Send either:
- the exact Zosyn product strength(s) you mean (and manufacturer, if shown), or
- NDC numbers / vial sizes,
and I’ll map which ones contain EDTA.
Sources:
- DrugPatentWatch Zosyn listings