Drug interactions
Fludrocortisone + Trastuzumab deruxtecan
Severity: Minor
Fludrocortisone and Trastuzumab deruxtecan: minor 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
Trastuzumab deruxtecan can cause neutropenia and interstitial lung disease. Fludrocortisone has little immunosuppressive activity at replacement doses, so no meaningful interaction is expected.
What this interaction means in plain words
Fludrocortisone and Trastuzumab deruxtecan have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Fludrocortisone belongs to Endocrine; Trastuzumab deruxtecan belongs to Oncology.
Why it happens
No established mechanism; theoretical minor additive immunosuppression.
What to do
Monitor blood counts and respiratory symptoms as required for trastuzumab deruxtecan; no change due to fludrocortisone.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Fludrocortisone
Other interactions of Trastuzumab deruxtecan
Frequently asked questions
Can I take Fludrocortisone with Trastuzumab deruxtecan?
MediHelp rates the interaction as minor. Fludrocortisone and Trastuzumab deruxtecan have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Trastuzumab deruxtecan can cause neutropenia and interstitial lung disease. Fludrocortisone has little immunosuppressive activity at replacement doses, so no meaningful interaction is expected.
How serious is the interaction between Fludrocortisone and Trastuzumab deruxtecan?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood counts and respiratory symptoms as required for trastuzumab deruxtecan; no change due to fludrocortisone.
What other medicines interact with Fludrocortisone?
MediHelp also lists interactions of Fludrocortisone with, for example, Mifepristone, Aldesleukin, Amphotericin b. The full list is on the Fludrocortisone page.
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