Drug interactions
Ciprofloxacin + Encorafenib
Severity: Moderate
Ciprofloxacin and Encorafenib: 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
Encorafenib causes dose-dependent QT prolongation, and ciprofloxacin adds QT effects. Together they may raise the risk of torsades de pointes, especially with electrolyte abnormalities or heart disease.
What this interaction means in plain words
Ciprofloxacin and Encorafenib 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.
Ciprofloxacin belongs to Anti Bacterial; Encorafenib belongs to Oncology.
Why it happens
Additive QT prolongation through cardiac repolarization effects.
What to do
Monitor ECG and electrolytes at baseline and during co-treatment, and correct potassium and magnesium. Switch to a non-QT-prolonging antibiotic if the QTc rises significantly.
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 Ciprofloxacin
- Agomelatine + Ciprofloxacin Contraindicated
- Ciprofloxacin + Fezolinetant Contraindicated
- Ciprofloxacin + Thioridazine Contraindicated
- Ciprofloxacin + Tizanidine Contraindicated
- Ciprofloxacin + Vandetanib Contraindicated
- Alosetron + Ciprofloxacin Major
Other interactions of Encorafenib
Frequently asked questions
Can I take Ciprofloxacin with Encorafenib?
MediHelp rates the interaction as moderate. Ciprofloxacin and Encorafenib 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. Encorafenib causes dose-dependent QT prolongation, and ciprofloxacin adds QT effects. Together they may raise the risk of torsades de pointes, especially with electrolyte abnormalities or heart disease.
How serious is the interaction between Ciprofloxacin and Encorafenib?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor ECG and electrolytes at baseline and during co-treatment, and correct potassium and magnesium. Switch to a non-QT-prolonging antibiotic if the QTc rises significantly.
What other medicines interact with Ciprofloxacin?
MediHelp also lists interactions of Ciprofloxacin with, for example, Agomelatine, Fezolinetant, Thioridazine. The full list is on the Ciprofloxacin page.
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