Drug interactions
Chlorambucil + Influenza virus vaccine adjuvanted
Severity: Moderate
Chlorambucil and Influenza virus vaccine adjuvanted: 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
Chlorambucil-related immunosuppression may reduce the antibody response to the adjuvanted H5N1 vaccine, so protection may be lower than expected.
What this interaction means in plain words
Chlorambucil and Influenza virus vaccine adjuvanted 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 reduces vaccine-induced immune response.
What to do
Give the vaccine when indicated, ideally before chemotherapy or during better immune recovery, and do not assume full protection.
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 Chlorambucil
Frequently asked questions
Can I take Chlorambucil with Influenza virus vaccine adjuvanted?
MediHelp rates the interaction as moderate. Chlorambucil and Influenza virus vaccine adjuvanted 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. Chlorambucil-related immunosuppression may reduce the antibody response to the adjuvanted H5N1 vaccine, so protection may be lower than expected.
How serious is the interaction between Chlorambucil and Influenza virus vaccine adjuvanted?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Give the vaccine when indicated, ideally before chemotherapy or during better immune recovery, and do not assume full protection.
What other medicines interact with Chlorambucil?
MediHelp also lists interactions of Chlorambucil with, for example, Adenovirus types 4 and 7 live, Axicabtagene ciloleucel, Belatacept. The full list is on the Chlorambucil page.
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