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
perphenazine-amitriptyline oral brand names and other generic formulations include:
Duo-Vil 2-10 Oral, Duo-Vil 2-25 Oral, Etrafon 2-10 Oral, Etrafon 2-25 Oral, Etrafon A 4-10 Oral, Etrafon Forte 4-25 Oral, Per-Trip Oral, Triavil 2-10 Oral, Triavil 2-25 Oral, Triavil 4-10 Oral, Triavil 4-25 Oral, Triavil 4-50 Oral
promethazine-phenylephrine-codeine oral and perphenazine-amitriptyline oral
promethazine-phenylephrine-codeine oral and perphenazine-amitriptyline oral both increase causing a dangerous abnormal heart rhythm.
promethazine-phenylephrine-codeine oral and perphenazine-amitriptyline oral
promethazine-phenylephrine-codeine oral and perphenazine-amitriptyline oral both increase QTc interval.
Check for more interactions with the Drug Interaction Checker
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