Drug interactions with promethazine-phenylephrine-codeine oral and diphenhydramine top

promethazine-phenylephrine-codeine oral brand names and other generic formulations include:

Chemergan VC With Codeine Oral, Mallergan-VC With Codeine Oral, M-Phen Oral, Para-Hist At Oral, Phenergan VC-Codeine Oral, Promethazine VC-Codeine Oral

All generic drug interactions for promethazine-phenylephrine-codeine oral (lists will include brand and generic names):

diphenhydramine top brand names and other generic formulations include:

Aler-dryl Top, Allergy Cream (diphenhydramine) Top, Allergy Relief (diphenhydramine) Top, Anti-itch (diphenhydramine) Top, Banophen Maximum Strength Top, Benadryl Childrens Formula Top, Benadryl Maximum Strength Top, Benadryl Spray Top, Benadryl Top, Complete Allergy Top, Derma-pax Top, Dermarest Top, Diphenhist Top, Itch Relief (diphenhydramine) Top, Q-dryl Top, Surfadil Top, Valu-dryl Anti-itch Top, Wal-dryl (diphenhydramine) Top

All generic drug interactions for diphenhydramine top (lists will include brand and generic names):
Monitor CloselySignificant interaction possible (monitoring by your doctor required)

promethazine-phenylephrine-codeine oral and diphenhydramine top

promethazine-phenylephrine-codeine oral increases effects of diphenhydramine top by added drug effects. Combination may increase effects of both drugs; possible low blood sugar (hypoglycemia).

Patient Drug Interactions Source: RxList
© 2023 RxList, Inc.
Monitor CloselyUse Caution/Monitor.

promethazine-phenylephrine-codeine oral and diphenhydramine top

promethazine-phenylephrine-codeine oral increases effects of diphenhydramine top by pharmacodynamic synergism. Additive anticholinergic effects, possible hypoglycemia.

Clinical Drug Interactions Source: Medscape from WebMD
© 1994-2023 WebMD, LLC.

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Drug Interaction Categories

Contraindicated

Never use this combination of drugs because of high risk for dangerous interaction

Serious

Potential for serious interaction; regular monitoring by your doctor required or alternate medication may be needed

Significant

Potential for significant interaction (monitoring by your doctor is likely required)

Minor

Interaction is unlikely, minor, or nonsignificant

Disclaimer: The information contained herein should NOT be used as a substitute for the advice of an appropriately qualified and licensed physician or other health care provider. The information provided here is for informational purposes only. This tool may not cover all possible drug interactions. Please check with a physician if you have health questions or concerns. Although we attempt to provide accurate and up-to-date information, no guarantee is made to that effect.

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