Drug interactions
Amisulpride + Ofloxacin
Severity: Major
Amisulpride and Ofloxacin: major 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
Amisulpride causes dose-related QT prolongation and ofloxacin may add to this effect, increasing the chance of torsades de pointes. Patients with electrolyte disturbances or heart disease are at particular risk.
What this interaction means in plain words
Amisulpride and Ofloxacin can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Amisulpride belongs to Central Nervous System; Ofloxacin belongs to Anti Bacterial.
Why it happens
Additive QT prolongation through effects on cardiac repolarization.
What to do
Prefer an alternative antibiotic. If coadministered, perform ECG monitoring and correct potassium and magnesium.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Ofloxacin
- Ofloxacin + Thioridazine Contraindicated
- Adagrasib + Ofloxacin Major
- Amiodarone + Ofloxacin Major
- Anagrelide + Ofloxacin Major
- Arsenic trioxide + Ofloxacin Major
- Artemether / lumefantrine + Ofloxacin Major
Other interactions of Amisulpride
- Amiodarone + Amisulpride Contraindicated
- Amisulpride + Arsenic trioxide Contraindicated
- Amisulpride + Disopyramide Contraindicated
- Amisulpride + Dofetilide Contraindicated
- Amisulpride + Droperidol Contraindicated
- Amisulpride + Ibutilide Contraindicated
Frequently asked questions
Can I take Amisulpride with Ofloxacin?
MediHelp rates the interaction as major. Amisulpride and Ofloxacin can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Amisulpride causes dose-related QT prolongation and ofloxacin may add to this effect, increasing the chance of torsades de pointes. Patients with electrolyte disturbances or heart disease are at particular risk.
How serious is the interaction between Amisulpride and Ofloxacin?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Prefer an alternative antibiotic. If coadministered, perform ECG monitoring and correct potassium and magnesium.
What other medicines interact with Ofloxacin?
MediHelp also lists interactions of Ofloxacin with, for example, Thioridazine, Adagrasib, Amiodarone. The full list is on the Ofloxacin page.
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