Drug interactions
Dexamethasone + Tofacitinib
Severity: Moderate
Dexamethasone and Tofacitinib: 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
Both drugs suppress immune responses, so combined use increases infection risk, especially with higher steroid doses. Combination is common in rheumatology but needs deliberate oversight.
What this interaction means in plain words
Dexamethasone and Tofacitinib 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.
Dexamethasone belongs to Endocrine; Tofacitinib belongs to Musculoskeletal.
Why it happens
Additive immunosuppression from JAK inhibition and glucocorticoid activity.
What to do
Use the lowest effective dexamethasone dose for the shortest duration and monitor for infection. Review the ongoing need for both agents regularly.
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 Tofacitinib
- Baricitinib + Tofacitinib Contraindicated
- Cladribine + Tofacitinib Contraindicated
- Tofacitinib + Upadacitinib Contraindicated
- Abatacept + Tofacitinib Major
- Anti-thymocyte + Tofacitinib Major
- Antithymocyte globulin equine + Tofacitinib 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 Tofacitinib?
MediHelp rates the interaction as moderate. Dexamethasone and Tofacitinib 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. Both drugs suppress immune responses, so combined use increases infection risk, especially with higher steroid doses. Combination is common in rheumatology but needs deliberate oversight.
How serious is the interaction between Dexamethasone and Tofacitinib?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use the lowest effective dexamethasone dose for the shortest duration and monitor for infection. Review the ongoing need for both agents regularly.
What other medicines interact with Tofacitinib?
MediHelp also lists interactions of Tofacitinib with, for example, Baricitinib, Cladribine, Upadacitinib. The full list is on the Tofacitinib page.
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