Drug interactions
Cholera vaccine + Gemifloxacin
Severity: Major
Cholera vaccine and Gemifloxacin: 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
The oral live attenuated cholera vaccine relies on viable bacteria colonizing the gut. A systemically active antibiotic such as gemifloxacin may kill the vaccine strain and blunt the immune response, leaving the patient inadequately protected.
What this interaction means in plain words
Cholera vaccine and Gemifloxacin 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.
Why it happens
Antibacterial activity against the live attenuated vaccine strain reduces its viability and the resulting immune response.
What to do
Do not give the vaccine to patients who have taken antibiotics in the preceding 14 days, and delay antibiotics after vaccination where clinically possible. Revaccinate later if the vaccine was given during antibiotic exposure.
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
Frequently asked questions
Can I take Cholera vaccine with Gemifloxacin?
MediHelp rates the interaction as major. Cholera vaccine and Gemifloxacin 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. The oral live attenuated cholera vaccine relies on viable bacteria colonizing the gut. A systemically active antibiotic such as gemifloxacin may kill the vaccine strain and blunt the immune response, leaving the patient inadequately protected.
How serious is the interaction between Cholera vaccine and Gemifloxacin?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Do not give the vaccine to patients who have taken antibiotics in the preceding 14 days, and delay antibiotics after vaccination where clinically possible. Revaccinate later if the vaccine was given during antibiotic exposure.
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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