Drug interactions
Butalbital + Dexamethasone
Severity: Moderate
Butalbital and Dexamethasone: 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
Butalbital is a barbiturate that can induce hepatic enzymes and speed dexamethasone metabolism. Corticosteroid effect may be reduced, especially with frequent butalbital use.
What this interaction means in plain words
Butalbital and Dexamethasone 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.
Why it happens
Barbiturate-mediated CYP3A4 induction increases dexamethasone clearance.
What to do
Monitor clinical response to dexamethasone and increase the dose if needed; limit frequency of butalbital use.
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 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 Butalbital with Dexamethasone?
MediHelp rates the interaction as moderate. Butalbital and Dexamethasone 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. Butalbital is a barbiturate that can induce hepatic enzymes and speed dexamethasone metabolism. Corticosteroid effect may be reduced, especially with frequent butalbital use.
How serious is the interaction between Butalbital and Dexamethasone?
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 clinical response to dexamethasone and increase the dose if needed; limit frequency of butalbital use.
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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