Drug interactions
Ciprofloxacin + Paliperidone
Severity: Moderate
Ciprofloxacin and Paliperidone: 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
Paliperidone can prolong the QT interval modestly, and ciprofloxacin adds a small effect. The combination may raise arrhythmia risk in patients with cardiac disease, electrolyte disturbances or renal impairment, since paliperidone is renally cleared.
What this interaction means in plain words
Ciprofloxacin and Paliperidone 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; Paliperidone belongs to Central Nervous System.
Why it happens
Additive QT prolongation through cardiac potassium channel blockade.
What to do
Check baseline ECG in patients with risk factors and correct electrolytes. Monitor QTc, and consider another antibiotic 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 Ciprofloxacin
- Agomelatine + Ciprofloxacin Contraindicated
- Ciprofloxacin + Fezolinetant Contraindicated
- Ciprofloxacin + Thioridazine Contraindicated
- Ciprofloxacin + Tizanidine Contraindicated
- Ciprofloxacin + Vandetanib Contraindicated
- Alosetron + Ciprofloxacin Major
Other interactions of Paliperidone
- Ibutilide + Paliperidone Contraindicated
- Paliperidone + Pimozide Contraindicated
- Paliperidone + Vandetanib Contraindicated
- Adagrasib + Paliperidone Major
- Amiodarone + Paliperidone Major
- Amisulpride + Paliperidone Major
Frequently asked questions
Can I take Ciprofloxacin with Paliperidone?
MediHelp rates the interaction as moderate. Ciprofloxacin and Paliperidone 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. Paliperidone can prolong the QT interval modestly, and ciprofloxacin adds a small effect. The combination may raise arrhythmia risk in patients with cardiac disease, electrolyte disturbances or renal impairment, since paliperidone is renally cleared.
How serious is the interaction between Ciprofloxacin and Paliperidone?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check baseline ECG in patients with risk factors and correct electrolytes. Monitor QTc, and consider another antibiotic if QTc becomes prolonged.
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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