Prochlorperazine, Metoclopramide, and Diphenhydramine for Acute Migraine Headache

The 2016 American Headache Society (AHS) released recommendations on managing adults with acute migraine headaches.1 In the November 2017 EM:RAP LIN Sessions podcast episode that I recorded, I realized that I overgeneralized several statements about anti-dopaminergic agents and the use of concurrent diphenhydramine for akathisia risk reduction. So I wanted to clarify things and share a deeper-dive on the topic, thanks to the constructive feedback and help of headache guru Dr. David Vinson and EM pharmacists Dr. Curtis Geier, Dr. Bryan Hayes, and Dr. Zlatan Coralic. Below summarizes the nuanced thought processes in the anti-dopaminergic treatment of migraines.

(more…)