
itraconazole oral brand names and other generic formulations include:
Onmel Oral, Sporanox Oral, Sporanox Pulsepak Oral
tolvaptan oral brand names and other generic formulations include:
itraconazole oral and tolvaptan oral
itraconazole oral will increase the level or effect of tolvaptan oral by altering drug metabolism.
itraconazole oral and tolvaptan oral
itraconazole oral will increase the level or effect of tolvaptan oral by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Larger doses of strong CYP3A4 inhibitors may produce larger increases in tolvaptan exposure. Concomitant use of tolvaptan with strong CYP3A4 inhibitors is contraindicated.
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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