Diphenhydramine Hydrochloride

30 July 2009

Products Affected - Description

Diphenhydramine injection, 50 mg/mL

Reason for the Shortage

• Hospira, Baxter, and Bioniche Pharma were unable to provide a reason for the shortage.
• APP stated that the shortage was due to supply and demand.
• Pfizer discontinued all Benadryl injection in 2005.
• IMS discontinued diphenhydramine injection in April 2008.

Estimated Resupply Dates

• Hospira has all presentations of their diphenhydramine injection available including 1 mL Carpuject syringes (NDC 00409-2290-31) and 1 mL iSecure prefilled syringes (NDC 00409-2290-11).
• Baxter has their diphenhydramine 50 mg/mL injection available in a 1 mL vial (NDC 00641-0376-25).
• APP has their diphenhydramine 50 mg/mL injection available in a 1 mL vial (NDC 63323-0664-01). 
• Bioniche Pharma has their diphenhydramine 50 mg/mL injection available in a 10 mL vial (NDC 67457-0124-10).

Related Shortages

Updated

July 30, 2009; June 22, 2009; May 20, 2009; May 1, 2009, University of Utah, Drug Information Service. Copyright 2009, Drug Information Service, University of Utah, Salt Lake City, UT.

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