Skip to main content

Magnesium Sulfate Injection Shortage

Last Updated: May 18, 2025
Status: Current

Products Affected - Description
    • Magnesium sulfate intravenous injection, Pfizer, 10 mg/mL, 100 mL premixed bag, 50 count, NDC 00409-6727-50
    • Magnesium sulfate intravenous injection, Pfizer, 40 mg/mL, 100 mL premixed bag, 24 count, NDC 00409-6729-23
    • Magnesium sulfate intravenous injection, Pfizer, 40 mg/mL, 100 mL premixed bag, 50 count, NDC 00409-4121-50
    • Magnesium sulfate intravenous injection, Pfizer, 40 mg/mL, 50 mL premixed bag, 24 count, NDC 00409-6729-24
    • Magnesium sulfate intravenous injection, Pfizer, 40 mg/mL, 50 mL premixed bag, 60 count, NDC 00409-5239-60
    • Magnesium sulfate intravenous injection, Pfizer, 80 mg/mL, 50 mL premixed bag, 60 count, NDC 00409-6730-60
    • Magnesium sulfate intravenous injection, Sagent, 40 mg/mL, 100 mL premixed bag, 10 count, NDC 25021-0612-82
    • Magnesium sulfate intravenous injection, Sagent, 40 mg/mL, 50 mL premixed bag, 10 count, NDC 25021-0612-81
Reason for the Shortage
    • Amneal has magnesium sulfate injection available.
    • Avenacy has magnesium sulfate injection available.
    • Baxter has magnesium sulfate injection available.
    • BBraun has magnesium sulfate injection available.
    • Exela discontinued magnesium sulfate vials in mid-2023.
    • Fresenius Kabi has magnesium sulfate injection available.
    • Sagent did not provide a reason for the shortage.
    • Sun has magnesium sulfate injection available.
    • Pfizer had magnesium sulfate injection on shortage due to increased demand.
    • WG Critical Care has magnesium sulfate injection available.
Available Products
    • Magnesium sulfate intravenous injection, Fresenius Kabi, 500 mg/mL, 10 mL vial, 25 count, NDC 63323-0064-11
    • Magnesium sulfate intravenous injection, Fresenius Kabi, 500 mg/mL, 2 mL vial, 25 count, NDC 63323-0064-03
    • Magnesium sulfate intravenous injection, Fresenius Kabi, 500 mg/mL, 20 mL vial, 25 count, NDC 63323-0642-20
    • Magnesium sulfate intravenous injection, Fresenius Kabi, 500 mg/mL, 50 mL vial, 25 count, NDC 63323-0642-50
    • Magnesium sulfate intravenous injection, Pfizer, 500 mg/mL, 10 mL syringe, 10 count, NDC 00409-1754-10
    • Magnesium sulfate intravenous injection, Pfizer, 500 mg/mL, 20 mL vial, 25 count, NDC 00409-2168-77
    • Magnesium sulfate intravenous injection, BBraun, 10 mg/mL, 100 mL premixed bag, 24 count, NDC 00264-4400-54
    • Magnesium sulfate intravenous injection, Baxter, 10 mg/mL, 100 mL premixed bag, 40 count, NDC 00338-1709-40
    • Magnesium sulfate intravenous injection, Fresenius Kabi, 10 mg/mL, 100 mL premixed bag, 24 count, NDC 63323-0108-01
    • Magnesium sulfate intravenous injection, WG Critical Care, 10 mg/mL, 100 mL premixed bag, 24 count, NDC 44567-0410-24
    • Magnesium sulfate intravenous injection, Amneal, 40 mg/mL, 100 mL premixed bag, 24 count, NDC 70121-1720-09
    • Magnesium sulfate intravenous injection, Amneal, 40 mg/mL, 50 mL premixed bag, 24 count, NDC 70121-1719-09
    • Magnesium sulfate intravenous injection, Avenacy, 40 mg/mL, 100 mL premixed bag, 24 count, NDC 83634-0500-82
    • Magnesium sulfate intravenous injection, Avenacy, 40 mg/mL, 50 mL premixed bag, 24 count, NDC 83634-0500-81
    • Magnesium sulfate intravenous injection, Avenacy, 80 mg/mL, 50 mL premixed bag, 24 count, NDC 83634-0501-81
    • Magnesium sulfate intravenous injection, BBraun, 40 mg/mL, 100 mL premixed bag, 24 count, NDC 00264-4206-54
    • Magnesium sulfate intravenous injection, BBraun, 40 mg/mL, 50 mL premixed bag, 24 count, NDC 00264-4204-52
    • Magnesium sulfate intravenous injection, BBraun, 80 mg/mL, 50 mL premixed bag, 24 count, NDC 00264-4205-52
    • Magnesium sulfate intravenous injection, Baxter, 40 mg/mL, 100 mL premixed bag, 40 count, NDC 00338-1719-40
    • Magnesium sulfate intravenous injection, Baxter, 40 mg/mL, 50 mL premixed bag, 40 count, NDC 00338-1708-40
    • Magnesium sulfate intravenous injection, Baxter, 80 mg/mL, 50 mL premixed bag, 40 count, NDC 00338-1715-40
    • Magnesium sulfate intravenous injection, Fresenius Kabi, 40 mg/mL, 100 mL premixed bag, 24 count, NDC 63323-0106-01
    • Magnesium sulfate intravenous injection, Fresenius Kabi, 40 mg/mL, 1000 mL premixed bag, 24 count, NDC 63323-0106-10
    • Magnesium sulfate intravenous injection, Fresenius Kabi, 40 mg/mL, 50 mL premixed bag, 24 count, NDC 63323-0106-05
    • Magnesium sulfate intravenous injection, Fresenius Kabi, 40 mg/mL, 500 mL premixed bag, 24 count, NDC 63323-0106-15
    • Magnesium sulfate intravenous injection, Fresenius Kabi, 80 mg/mL, 50 mL premixed bag, 24 count, NDC 63323-0107-05
    • Magnesium sulfate intravenous injection, Pfizer, 40 mg/mL, 1000 mL premixed bag, 24 count, NDC 00409-3164-12
    • Magnesium sulfate intravenous injection, Pfizer, 40 mg/mL, 500 mL premixed bag, 24 count, NDC 00409-2050-20
    • Magnesium sulfate intravenous injection, Sun Pharma, 40 mg/mL, 100 mL premixed bag, 10 count, NDC 47335-0992-02
    • Magnesium sulfate intravenous injection, Sun Pharma, 40 mg/mL, 50 mL premixed bag, 10 count, NDC 47335-0992-01
    • Magnesium sulfate intravenous injection, WG Critical Care, 40 mg/mL, 100 mL premixed bag, 24 count, NDC 44567-0421-24
    • Magnesium sulfate intravenous injection, WG Critical Care, 40 mg/mL, 50 mL premixed bag, 24 count, NDC 44567-0420-24
    • Magnesium sulfate intravenous injection, WG Critical Care, 80 mg/mL, 50 mL premixed bag, 24 count, NDC 44567-0424-24

Estimated Resupply Dates

    • Pfizer has magnesium sulfate 10 mg/mL 100 mL premixed bags in 50 count, 40 mg/mL 50 mL premixed bags in 60 count, and 80 mg/mL 50 mL premixed bags in 60 count on back order and the company estimates a release date of December 2028. The 40 mg/mL 100 mL premixed bags in 50 count are on back order and the company estimates a release date of December 2027. The 40 mg/mL 50 mL premixed bags in 24 count and 40 mg/mL 100 mL premixed bags in 24 count are available in limited supply.
    • Sagent has magnesium sulfate 40 mg/mL 50 mL and 100 mL premixed bags on a long-term back order and the company cannot estimate a release date.

Updated

Updated May 18, 2025 by Michelle Wheeler, PharmD, Drug Information Specialist. Created March 30, 2011 by Michelle Wheeler, PharmD, Drug Information Specialist. © 2025, Drug Information Service, University of Utah, Salt Lake City, UT.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Medical Disclaimer