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Wednesday, June 19, 2013
Pharmacy and Medications
Combining Meds in an IM
Can you combine IM benadryl, haldol and ativan into one syringe?
No. Bendadryl (diphenhydramine) and haldol (haloperidol) are incompatible in the same syringe- a white precipitate will form. Benadryl and ativan (lorazepam) have not been tested for compatibility, so it would not be responsible to mix them.
Haldol and ativan may be combined in the same syringe.
Submitted by Matthew Chamberlain, PharmD Candidate
of Pharmacy. Midwestern University College
Reference: Trissel’s 2 Clinical Pharmaceutics Database (Parenteral Compatibility)- subscription required
Carmen M Hadley, RPh, CSPI
College of Pharmacy
The Ohio State University