Drug interactions
Methylprednisolone + Trastuzumab deruxtecan
Severity: Moderate
Methylprednisolone and Trastuzumab deruxtecan: 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
Both agents can contribute to immunosuppression and infection risk, although methylprednisolone is often used as premedication or for managing interstitial lung disease with this drug. Neutropenia from the antibody-drug conjugate can compound infection risk during steroid therapy.
What this interaction means in plain words
Methylprednisolone and Trastuzumab deruxtecan 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.
Methylprednisolone belongs to Endocrine; Trastuzumab deruxtecan belongs to Oncology.
Why it happens
Additive immunosuppression: myelosuppression from the antibody-drug conjugate and glucocorticoid immune suppression.
What to do
Monitor blood counts and signs of infection, and use steroids at the lowest effective dose. Follow established protocols for managing pneumonitis with corticosteroids.
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 Methylprednisolone
- Bcg vaccine live + Methylprednisolone Contraindicated
- Measles mumps and rubella vaccine live + Methylprednisolone Contraindicated
- Measles mumps rubella and varicella vaccine live + Methylprednisolone Contraindicated
- Measles vaccine + Methylprednisolone Contraindicated
- Methylprednisolone + Mifepristone Contraindicated
- Methylprednisolone + Rubella vaccine Contraindicated
Other interactions of Trastuzumab deruxtecan
Frequently asked questions
Can I take Methylprednisolone with Trastuzumab deruxtecan?
MediHelp rates the interaction as moderate. Methylprednisolone and Trastuzumab deruxtecan 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. Both agents can contribute to immunosuppression and infection risk, although methylprednisolone is often used as premedication or for managing interstitial lung disease with this drug. Neutropenia from the antibody-drug conjugate can compound infection risk during steroid therapy.
How serious is the interaction between Methylprednisolone and Trastuzumab deruxtecan?
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 blood counts and signs of infection, and use steroids at the lowest effective dose. Follow established protocols for managing pneumonitis with corticosteroids.
What other medicines interact with Methylprednisolone?
MediHelp also lists interactions of Methylprednisolone with, for example, Bcg vaccine live, Measles mumps and rubella vaccine live, Measles mumps rubella and varicella vaccine live. The full list is on the Methylprednisolone page.
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