PreOp Meds: H1 Ant Promethazine (Phenergan) Flashcards
1
Q
What is promethazine’s primary use?
What is it’s E ½ time?
A
- Rescue anti-emetic
- 9-16 hours
2
Q
What are the black box warnings associated with promethazine?
A
- 2005: children under 2 shouldn’t take (resp depression)
- 2009 - Tissue extravasation injuries
3
Q
What is the dosing of promethazine and when would one expect onset to occur?
A
- 12.5 - 25mg IV
- Onset: 5 minutes
