Buffered Penicillin G Potassium for Injection, USP 20,000,000 Units (20 million units), For IV use, Sterile, Rx Only, Manufactured in Austria by Sandoz GmbH for Sandoz Inc. Princeton, NJ 08540, NDC: 0781-6136-94.
Labeling: Label Mix-Up; Some vials of Cefazolin for Injection, USP 1 gram were incorrectly labeled as penicillin G potassium for Injection, USP, 20 million Unit
Nationwide in the USA
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=D-0570-2025