Drug interactions
Floxuridine + Ziprasidone
Severity: Moderate
Floxuridine and Ziprasidone: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Floxuridine is a fluoropyrimidine for which QT concerns are weakly documented, while ziprasidone clearly prolongs QT. The additive risk is largely theoretical but relevant in patients with other arrhythmia risks.
What this interaction means in plain words
Floxuridine and Ziprasidone can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Possible additive QT prolongation; the contribution of floxuridine is poorly established.
What to do
Obtain baseline ECG and keep potassium and magnesium normal. Consider an alternative antipsychotic if QTc becomes prolonged.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Ziprasidone
- Amiodarone + Ziprasidone Contraindicated
- Amitriptyline + Ziprasidone Contraindicated
- Arsenic trioxide + Ziprasidone Contraindicated
- Bedaquiline + Ziprasidone Contraindicated
- Chloroquine + Ziprasidone Contraindicated
- Citalopram + Ziprasidone Contraindicated
Frequently asked questions
Can I take Floxuridine with Ziprasidone?
MediHelp rates the interaction as moderate. Floxuridine and Ziprasidone can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Floxuridine is a fluoropyrimidine for which QT concerns are weakly documented, while ziprasidone clearly prolongs QT. The additive risk is largely theoretical but relevant in patients with other arrhythmia risks.
How serious is the interaction between Floxuridine and Ziprasidone?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Obtain baseline ECG and keep potassium and magnesium normal. Consider an alternative antipsychotic if QTc becomes prolonged.
What other medicines interact with Ziprasidone?
MediHelp also lists interactions of Ziprasidone with, for example, Amiodarone, Amitriptyline, Arsenic trioxide. The full list is on the Ziprasidone page.
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