Drug interactions
Beclomethasone + Trastuzumab
Severity: Minor
Beclomethasone and Trastuzumab: 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 increases the risk of neutropenia and infection when combined with chemotherapy, and corticosteroids are immunosuppressive. Inhaled beclomethasone adds little systemic immunosuppression, so this is mostly theoretical.
What this interaction means in plain words
Beclomethasone and Trastuzumab have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Beclomethasone belongs to Respiratory; Trastuzumab belongs to Oncology.
Why it happens
Additive immunosuppressive effects; the inhaled steroid contribution is small.
What to do
Monitor for infection and neutrophil counts as part of routine oncology care. No change in inhaled steroid therapy is usually needed.
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 Beclomethasone
Other interactions of Trastuzumab
Frequently asked questions
Can I take Beclomethasone with Trastuzumab?
MediHelp rates the interaction as minor. Beclomethasone and Trastuzumab 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 increases the risk of neutropenia and infection when combined with chemotherapy, and corticosteroids are immunosuppressive. Inhaled beclomethasone adds little systemic immunosuppression, so this is mostly theoretical.
How serious is the interaction between Beclomethasone and Trastuzumab?
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 for infection and neutrophil counts as part of routine oncology care. No change in inhaled steroid therapy is usually needed.
What other medicines interact with Beclomethasone?
MediHelp also lists interactions of Beclomethasone with, for example, Corticorelin, Macimorelin, Sipuleucel-t. The full list is on the Beclomethasone page.
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