Black Widow Antivenin (Latrodectus Mactans)

[02 September 2015]

Products Affected - Description

Antivenin Latrodectus Mactans (Black Widow Spider Antivenin), Merck
6000 units, powder for solution injection (NDC 00006-5424-02)

Reason for the Shortage

Merck has low inventory of Antivenin Latrodectus Mactans.

Available Products

There are insufficient supplies for usual ordering.

Estimated Resupply Dates

Emergency supplies are available for patients with symptoms due to a bite by the black widow spider within 24 hours of contacting Merck. The company cannot estimate when regular distribution will resume.

Related Shortages


September 2, June 11, April 13, February 16, 2015; December 12, October 13, August 7, June 3, March 12, 2014; December 16, October 2, July 18, May 14, March 20, January 28, 2013; November 7, October 1, August 8, May 4, March 7, January 10, 2012; November 4, September 2, July 26, June 2, April 26, March 16, February 2, 2011; December 29, August 5, May 24, March 17, January 25, 2010; December 7, October 19, September 2, May 15, April 20, March 5, 2009, University of Utah, Drug Information Service. Copyright 2015, Drug Information Service, University of Utah, Salt Lake City, UT.


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