Drug interactions
Gemifloxacin + Pitolisant
Severity: Major
Gemifloxacin and Pitolisant: 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
Pitolisant can prolong the QT interval modestly, and gemifloxacin also carries QT risk. Using them together may increase the likelihood of arrhythmia, particularly in patients with other risk factors.
What this interaction means in plain words
Gemifloxacin and Pitolisant 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.
Gemifloxacin belongs to Anti Bacterial; Pitolisant belongs to Central Nervous System.
Why it happens
Additive pharmacodynamic QT prolongation.
What to do
Avoid the combination if possible and use a different antibiotic. If coadministered, obtain an ECG and monitor electrolytes, especially in patients with cardiac disease or hepatic or renal impairment.
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 Gemifloxacin
- Arsenic trioxide + Gemifloxacin Contraindicated
- Dofetilide + Gemifloxacin Contraindicated
- Gemifloxacin + Ibutilide Contraindicated
- Gemifloxacin + Pimozide Contraindicated
- Gemifloxacin + Thioridazine Contraindicated
- Gemifloxacin + Vandetanib Contraindicated
Other interactions of Pitolisant
- Alfuzosin + Pitolisant Major
- Amiodarone + Pitolisant Major
- Amisulpride + Pitolisant Major
- Anagrelide + Pitolisant Major
- Asenapine + Pitolisant Major
- Bupropion + Pitolisant Major
Frequently asked questions
Can I take Gemifloxacin with Pitolisant?
MediHelp rates the interaction as major. Gemifloxacin and Pitolisant 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. Pitolisant can prolong the QT interval modestly, and gemifloxacin also carries QT risk. Using them together may increase the likelihood of arrhythmia, particularly in patients with other risk factors.
How serious is the interaction between Gemifloxacin and Pitolisant?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination if possible and use a different antibiotic. If coadministered, obtain an ECG and monitor electrolytes, especially in patients with cardiac disease or hepatic or renal impairment.
What other medicines interact with Gemifloxacin?
MediHelp also lists interactions of Gemifloxacin with, for example, Arsenic trioxide, Dofetilide, Ibutilide. The full list is on the Gemifloxacin page.
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