
carbamazepine oral brand names and other generic formulations include:
Atretol Oral, Carbatrol Oral, Epitol Oral, Equetro Oral, Tegretol Oral, Tegretol XR Oral
ivacaftor oral brand names and other generic formulations include:
carbamazepine oral and ivacaftor oral
carbamazepine oral decreases levels of ivacaftor oral by altering drug metabolism. Blood levels of ivacaftor may be reduced by 9 fold.
carbamazepine oral and ivacaftor oral
carbamazepine oral decreases levels of ivacaftor oral by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid coadministration with strong CYP3A4 inducers; systemic exposure of ivacaftor substantially reduced (ie, ~9-fold)
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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