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Drug Interactions between fluvoxamine and isavuconazonium

This report displays the potential drug interactions for the following 2 drugs:

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Interactions between your drugs

Moderate

fluvoxaMINE isavuconazonium

Applies to: fluvoxamine and isavuconazonium

MONITOR: Coadministration with inhibitors of CYP450 3A4 may increase the plasma concentrations of isavuconazole, which is primarily metabolized by CYP450 3A4 and 3A5 and subsequently by uridine diphosphate glucuronosyltransferases (UGT). When a single dose of isavuconazonium sulfate (equivalent to 200 mg of isavuconazole) was administered to healthy volunteers following multiple dosing of the potent CYP450 3A4 inhibitor ketoconazole (200 mg twice daily for 24 days), isavuconazole peak plasma concentration (Cmax) increased by 9% and systemic exposure (AUC) increased by 422%. Lopinavir-ritonavir (400 mg-100 mg twice daily) increased the Cmax and AUC of isavuconazole by 74% and 96%, respectively.

MANAGEMENT: Caution is advised when isavuconazonium sulfate is prescribed with CYP450 3A4 inhibitors. Patients should be monitored for adverse effects such as nausea, vomiting, diarrhea, peripheral edema, hypokalemia, hypomagnesemia, and hepatotoxicity. In addition, many CYP450 3A4 inhibitors are also substrates of the isoenzyme, thus pharmacologic response to these agents should also be monitored, as isavuconazole itself is reportedly a moderate CYP450 3A4 inhibitor.

References (1)
  1. (2015) "Product Information. Cresemba (isavuconazonium)." Astellas Pharma US, Inc

Drug and food interactions

Moderate

fluvoxaMINE food

Applies to: fluvoxamine

GENERALLY AVOID: Alcohol may potentiate some of the pharmacologic effects of CNS-active agents. Use in combination may result in additive central nervous system depression and/or impairment of judgment, thinking, and psychomotor skills.

MANAGEMENT: Patients receiving CNS-active agents should be warned of this interaction and advised to avoid or limit consumption of alcohol. Ambulatory patients should be counseled to avoid hazardous activities requiring complete mental alertness and motor coordination until they know how these agents affect them, and to notify their physician if they experience excessive or prolonged CNS effects that interfere with their normal activities.

References (4)
  1. Warrington SJ, Ankier SI, Turner P (1986) "Evaluation of possible interactions between ethanol and trazodone or amitriptyline." Neuropsychobiology, 15, p. 31-7
  2. Gilman AG, eds., Nies AS, Rall TW, Taylor P (1990) "Goodman and Gilman's the Pharmacological Basis of Therapeutics." New York, NY: Pergamon Press Inc.
  3. (2012) "Product Information. Fycompa (perampanel)." Eisai Inc
  4. (2015) "Product Information. Rexulti (brexpiprazole)." Otsuka American Pharmaceuticals Inc

Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

See also

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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