- Proclorperazine 2.5 mg IV or 5 mg IM
- Promethazine (Phenergan) 6.25 mg IV diluted in 10 ml of 0.9% NaCl, which is administered over 2 mins via the furthest port from the vein
- May repeat either medication x1 in 10 mins if symptoms persist
- Ondanestron ((Zofran) 4 mg IV administered over 30 seconds.
- May repeat dose x1 in 30 minutes
- For dystonic reactions caused by EMS administration of prochlorperazine or promethazine administer diphenhydramine 50 mg IV/IM