Promethazine
Phenergan, Promethegan, and generics
Antihistamine, antiemetic, phenothiazine derivative
| C | 3 | No | No | No |
| Key |
- Tabs: 12.5, 25, 50 mg
- Oral solution/syrup: 6.25 mg/5 mL (473 mL); contains alcohol and may contain parabens, sodium benzoate, or phenol (many formulations exist)
- Suppository (Phenadoz, Promethegan, and generics): 12.5, 25, 50 mg (12s)
- Injection: 25, 50 mg/mL (1 mL); may contain edetate disodium, sulfites, and phenol
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Citation
Hughes, Helen K., and Lauren K. Kahl, editors. "Promethazine." Harriet Lane Handbook, 23rd ed., Elsevier, 2024. Harriet Lane, www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309526/2/Promethazine.
Promethazine. In: Hughes HKH, Kahl LKL, eds. Harriet Lane Handbook. Elsevier; 2024. https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309526/2/Promethazine. Accessed April 25, 2026.
Promethazine. (2024). In Hughes, H. K., & Kahl, L. K. (Eds.), Harriet Lane Handbook (23rd ed.). Elsevier. https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309526/2/Promethazine
Promethazine [Internet]. In: Hughes HKH, Kahl LKL, editors. Harriet Lane Handbook. Elsevier; 2024. [cited 2026 April 25]. Available from: https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309526/2/Promethazine.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - Promethazine
ID - 309526
ED - Hughes,Helen K,
ED - Kahl,Lauren K,
BT - Harriet Lane Handbook
UR - https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309526/2/Promethazine
PB - Elsevier
ET - 23
DB - Harriet Lane
DP - Unbound Medicine
ER -

Harriet Lane Handbook

