Intravenous solutions with heparin sodium are available in single-dose flexible plastic containers in various sizes and concentrations as shown in the accompanying Table as follows:
Case of 24 Single-dose flexible plastic containers
25,000 USP Units/250 mL (100 USP Units/mL)
Case of 30 Single-dose flexible plastic containers
10,000 USP Units/100 mL (100 USP Units/mL)
12,500 USP Units/250 mL (50 USP Units/mL)
Chat online with Pfizer Medical Information regarding your inquiry on a Pfizer medicine.
*Contact Medical Information. 8AM-9PM ET Monday to Friday; excluding holidays.
Submit a medical question for Pfizer prescription products.
To report an adverse event related to the Pfizer-BioNTech COVID-19 Vaccine, and you are
not part of a clinical trial* for this product, click the link below to submit your
*If you are involved in a clinical trial for this product, adverse
events should be reported to your coordinating study site.
If you cannot use the above website, or would like to report an adverse event related
to a different Pfizer product, please call Pfizer Safety at
You may also contact the U.S. Food and Drug Administration (FDA) directly to report
adverse events or product quality concerns either online at