Drug interactions
Dexamethasone + Ospemifene
Severity: Minor
Dexamethasone and Ospemifene: 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 may induce CYP3A4 and decrease ospemifene exposure, potentially reducing its efficacy. The magnitude with dexamethasone is uncertain as it is a weaker inducer.
What this interaction means in plain words
Dexamethasone and Ospemifene 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; Ospemifene belongs to Endocrine.
Why it happens
Dexamethasone induces CYP3A4, which contributes to ospemifene metabolism.
What to do
No routine adjustment is needed; reassess symptom response if prolonged high-dose dexamethasone is used.
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 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
Other interactions of Ospemifene
- Bazedoxifene-conjugated estrogens + Ospemifene Contraindicated
- Estradiol + Ospemifene Contraindicated
- Clomiphene + Ospemifene Major
- Fluconazole + Ospemifene Major
- Ketoconazole + Ospemifene Major
- Ospemifene + Raloxifene Major
Frequently asked questions
Can I take Dexamethasone with Ospemifene?
MediHelp rates the interaction as minor. Dexamethasone and Ospemifene 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 may induce CYP3A4 and decrease ospemifene exposure, potentially reducing its efficacy. The magnitude with dexamethasone is uncertain as it is a weaker inducer.
How serious is the interaction between Dexamethasone and Ospemifene?
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 routine adjustment is needed; reassess symptom response if prolonged high-dose dexamethasone is used.
What other medicines interact with Dexamethasone?
MediHelp also lists interactions of Dexamethasone with, for example, Bcg vaccine live, Mifepristone, Rilpivirine. The full list is on the Dexamethasone page.
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