Drug interactions
Dexamethasone + Lansoprazole
Severity: Minor
Dexamethasone and Lansoprazole: 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
Dexamethasone is a CYP3A4 inducer and may modestly lower lansoprazole exposure. The effect is generally small and seldom changes acid suppression meaningfully.
What this interaction means in plain words
Dexamethasone and Lansoprazole have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Dexamethasone belongs to Endocrine; Lansoprazole belongs to Gastrointestinal Tract.
Why it happens
Dexamethasone induces CYP3A4, a secondary route of lansoprazole metabolism.
What to do
No dose adjustment is usually needed; reassess symptom control if gastroprotection appears inadequate.
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 Lansoprazole
- Lansoprazole + Mavacamten Contraindicated
- Lansoprazole + Rilpivirine Contraindicated
- Acalabrutinib + Lansoprazole Major
- Atazanavir + Lansoprazole Major
- Dacomitinib + Lansoprazole Major
- Dasatinib + Lansoprazole Major
Other interactions of Dexamethasone
- Bcg vaccine live + Dexamethasone Contraindicated
- Dexamethasone + Mifepristone Contraindicated
- Dexamethasone + Rilpivirine Contraindicated
- Dexamethasone + Smallpox vaccine live Contraindicated
- Dexamethasone + Varicella virus vaccine live Contraindicated
- Dexamethasone + Yellow fever vaccine Contraindicated
Frequently asked questions
Can I take Dexamethasone with Lansoprazole?
MediHelp rates the interaction as minor. Dexamethasone and Lansoprazole have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Dexamethasone is a CYP3A4 inducer and may modestly lower lansoprazole exposure. The effect is generally small and seldom changes acid suppression meaningfully.
How serious is the interaction between Dexamethasone and Lansoprazole?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No dose adjustment is usually needed; reassess symptom control if gastroprotection appears inadequate.
What other medicines interact with Lansoprazole?
MediHelp also lists interactions of Lansoprazole with, for example, Mavacamten, Rilpivirine, Acalabrutinib. The full list is on the Lansoprazole page.
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