
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
famciclovir oral brand names and other generic formulations include:
promethazine-phenylephrine-codeine oral and famciclovir oral
promethazine-phenylephrine-codeine oral , famciclovir oral inhibiting the metabolism of an enzyme (aldehyde dehydrogenase) needed in the body during alcohol intoxication. Promethazine does not significantly affect famciclovir.
promethazine-phenylephrine-codeine oral and famciclovir oral
promethazine-phenylephrine-codeine oral , famciclovir oral aldehyde dehydrogenase inhibition. The conversion of 6-deoxy penciclovir to penciclovir is catalyzed by aldehyde oxidase. Interactions with other drugs metabolized by this enzyme and/or inhibiting this enzyme could potentially occur. Clinical interaction studies of famciclovir with promethazine did not show relevant effects on the formation of penciclovir.
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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