Drug interactions
Leflunomide + Travelers diarrhea and cholera vaccine inactivated
Severity: Minor
Leflunomide and Travelers diarrhea and cholera vaccine inactivated: minor 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
This inactivated oral vaccine poses no replication risk, but leflunomide may reduce the immune response. Protection may therefore be less reliable, and travellers should not rely on vaccination alone.
What this interaction means in plain words
Leflunomide and Travelers diarrhea and cholera vaccine inactivated have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Lymphocyte proliferation is suppressed by dihydroorotate dehydrogenase inhibition, potentially lowering antibody response.
What to do
Vaccinate as planned and reinforce food and water hygiene measures. Complete the course ahead of travel and before leflunomide where possible.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Leflunomide
- Bcg vaccine live + Leflunomide Contraindicated
- Influenza virus vaccine quadrivalent intranasal + Leflunomide Contraindicated
- Leflunomide + Measles mumps and rubella vaccine live Contraindicated
- Leflunomide + Measles mumps rubella and varicella vaccine live Contraindicated
- Leflunomide + Measles vaccine Contraindicated
- Leflunomide + Smallpox vaccine live Contraindicated
Frequently asked questions
Can I take Leflunomide with Travelers diarrhea and cholera vaccine inactivated?
MediHelp rates the interaction as minor. Leflunomide and Travelers diarrhea and cholera vaccine inactivated have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. This inactivated oral vaccine poses no replication risk, but leflunomide may reduce the immune response. Protection may therefore be less reliable, and travellers should not rely on vaccination alone.
How serious is the interaction between Leflunomide and Travelers diarrhea and cholera vaccine inactivated?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Vaccinate as planned and reinforce food and water hygiene measures. Complete the course ahead of travel and before leflunomide where possible.
What other medicines interact with Leflunomide?
MediHelp also lists interactions of Leflunomide with, for example, Bcg vaccine live, Influenza virus vaccine quadrivalent intranasal, Measles mumps and rubella vaccine live. The full list is on the Leflunomide page.
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