Drug interactions
Dengue vaccine + Gemcitabine
Severity: Major
Dengue vaccine and Gemcitabine: 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
Dengue vaccine is a live attenuated vaccine, and cytotoxic chemotherapy such as gemcitabine impairs immunity. Immunization during therapy may produce a weaker response and carries a risk of vaccine-related infection.
What this interaction means in plain words
Dengue vaccine and Gemcitabine 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
Cytotoxic immunosuppression reduces vaccine response and may permit replication of live attenuated virus.
What to do
Avoid live vaccines during chemotherapy and defer vaccination until immune recovery, as advised in product labeling. Consider non-live alternatives where appropriate.
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 Gemcitabine
Frequently asked questions
Can I take Dengue vaccine with Gemcitabine?
MediHelp rates the interaction as major. Dengue vaccine and Gemcitabine 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. Dengue vaccine is a live attenuated vaccine, and cytotoxic chemotherapy such as gemcitabine impairs immunity. Immunization during therapy may produce a weaker response and carries a risk of vaccine-related infection.
How serious is the interaction between Dengue vaccine and Gemcitabine?
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 live vaccines during chemotherapy and defer vaccination until immune recovery, as advised in product labeling. Consider non-live alternatives where appropriate.
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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