
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
diphenhydramine inj brand names and other generic formulations include:
Allerjec-10 Inj, Allerjec-50 Inj, Arladryl Inj, Bena-d-10 Inj, Bena-d50 Inj, Benadryl Inj, Benadryl Steri-dose Inj, Benadryl Steri-vial Inj, Benahist-10 Inj, Benahist-50 Inj, Ben-allergin-10 Inj, Ben-allergin-50 Inj, Ben-a-vance Inj, Bendylate Inj, Benoject-10 Inj, Benoject-50 Inj, Ben-rex 50 Inj, Ben-rex Inj, Calhistryl Inj, Cpc-dramin Inj, Dibenil Inj, Di-dryl Inj, Dihydrex Inj, Diphamine Inj, Diphencen-10 Inj, Diphencen-50 Inj, Diphenhist Inj, Diphenhydramine Min-i-jet Inj, Ednadryl Inj, Hyrexin Inj, Nordryl Inj, Shodryl Inj, Trux-adryl Inj, Uad Dryl Inj, Wehdryl-10 Inj, Wehdryl-50 Inj, Winadryl Inj
promethazine-phenylephrine-codeine oral and diphenhydramine inj
promethazine-phenylephrine-codeine oral increases effects of diphenhydramine inj by added drug effects. Combination may increase effects of both drugs; possible low blood sugar (hypoglycemia).
promethazine-phenylephrine-codeine oral and diphenhydramine inj
promethazine-phenylephrine-codeine oral increases effects of diphenhydramine inj by pharmacodynamic synergism. Additive anticholinergic effects, possible hypoglycemia.
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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