Drug interactions
Dactinomycin + Ofatumumab sc
Severity: Moderate
Dactinomycin and Ofatumumab sc: 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
Ofatumumab depletes B cells and dactinomycin is cytotoxic, so combined use may add to immunosuppression and infection risk.
What this interaction means in plain words
Dactinomycin and Ofatumumab sc 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
Additive immunosuppression from B-cell depletion and cytotoxic chemotherapy.
What to do
Monitor for infection and blood counts, and consider the patient's immune status when timing the therapies.
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 Dactinomycin
- Adenovirus types 4 and 7 live + Dactinomycin Contraindicated
- Belatacept + Dactinomycin Major
- Dactinomycin + Dengue vaccine Major
- Dactinomycin + Etrasimod Major
- Dactinomycin + Fingolimod Major
- Dactinomycin + Palifermin Major
Frequently asked questions
Can I take Dactinomycin with Ofatumumab sc?
MediHelp rates the interaction as moderate. Dactinomycin and Ofatumumab sc 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. Ofatumumab depletes B cells and dactinomycin is cytotoxic, so combined use may add to immunosuppression and infection risk.
How serious is the interaction between Dactinomycin and Ofatumumab sc?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for infection and blood counts, and consider the patient's immune status when timing the therapies.
What other medicines interact with Dactinomycin?
MediHelp also lists interactions of Dactinomycin with, for example, Adenovirus types 4 and 7 live, Belatacept, Dengue vaccine. The full list is on the Dactinomycin page.
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