Drug interactions
Dengue vaccine + Topotecan
Severity: Major
Dengue vaccine and Topotecan: 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
Topotecan-induced immunosuppression may blunt the response to dengue vaccine. Because the vaccine is live attenuated, replication in immunosuppressed patients is also a concern.
What this interaction means in plain words
Dengue vaccine and Topotecan 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 myelosuppression impairs vaccine immune response and permits live-virus replication.
What to do
Avoid live vaccines during chemotherapy and defer vaccination until immune recovery, per product labeling and local guidance.
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 Topotecan
- Adenovirus types 4 and 7 live + Topotecan Contraindicated
- Amiodarone + Topotecan Major
- Cisplatin + Topotecan Major
- Cobicistat + Topotecan Major
- Cyclosporine + Topotecan Major
- Cyclosporin + Topotecan Major
Frequently asked questions
Can I take Dengue vaccine with Topotecan?
MediHelp rates the interaction as major. Dengue vaccine and Topotecan 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. Topotecan-induced immunosuppression may blunt the response to dengue vaccine. Because the vaccine is live attenuated, replication in immunosuppressed patients is also a concern.
How serious is the interaction between Dengue vaccine and Topotecan?
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, per product labeling and local guidance.
What other medicines interact with Topotecan?
MediHelp also lists interactions of Topotecan with, for example, Adenovirus types 4 and 7 live, Amiodarone, Cisplatin. The full list is on the Topotecan page.
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