
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
oxybutynin chloride brand names and other generic formulations include:
No brand names available
promethazine-phenylephrine-codeine oral and oxybutynin chloride
promethazine-phenylephrine-codeine oral increases effects of oxybutynin chloride by added drug effects. Combination may increase effects of both drugs; possible low blood sugar (hypoglycemia).
promethazine-phenylephrine-codeine oral and oxybutynin chloride
promethazine-phenylephrine-codeine oral increases effects of oxybutynin chloride by pharmacodynamic synergism. Additive anticholinergic effects, possible hypoglycemia.
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