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Antivenin Latrodectus Mactans (Black Widow Spider Antivenin) Shortage

Last Updated: April 7, 2024
Status: Resolved

Products Affected - Description
    • Antivenin Lactrodectus Mactans (Black Widow Spider Antivenin) powder for solution for injection, Merck, 6000 units, vial, 1 count, NDC 00006-5424-02
Reason for the Shortage
    • Merck has low inventory of Antivenin Latrodectus Mactans. They could not provide a reason for the shortage.
Available Products
    • There is insufficient supply for usual ordering

Estimated Resupply Dates

    • Merck is accepting drop ship orders for a maximum of 2 doses at a time. Merck could not provide an estimate for when supply will improve.


Updated April 7, 2024 by Michelle Wheeler, PharmD, Drug Information Specialist. Created March 5, 2009 by Jane Chandramouli, PharmD, Drug Information Specialist. © 2024, 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.