Drug interactions
Gemcitabine + Influenza a vaccine
Severity: Moderate
Gemcitabine and Influenza a vaccine: 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
Gemcitabine suppresses immune function and may reduce antibody response to the H5N1 influenza vaccine, leaving patients less protected.
What this interaction means in plain words
Gemcitabine and Influenza a vaccine 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.
Why it happens
Cytotoxic immunosuppression blunts the immune response to vaccine antigens.
What to do
Vaccinate ideally before starting chemotherapy or between cycles when counts recover. Do not rely on the vaccine alone for protection in exposed patients.
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 Gemcitabine
Frequently asked questions
Can I take Gemcitabine with Influenza a vaccine?
MediHelp rates the interaction as moderate. Gemcitabine and Influenza a vaccine 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. Gemcitabine suppresses immune function and may reduce antibody response to the H5N1 influenza vaccine, leaving patients less protected.
How serious is the interaction between Gemcitabine and Influenza a vaccine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Vaccinate ideally before starting chemotherapy or between cycles when counts recover. Do not rely on the vaccine alone for protection in exposed patients.
What other medicines interact with Gemcitabine?
MediHelp also lists interactions of Gemcitabine with, for example, Adenovirus types 4 and 7 live, Axicabtagene ciloleucel, Belatacept. The full list is on the Gemcitabine page.
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