Drug interactions
Hydrocortisone + Quinupristin / dalfopristin
Severity: Moderate
Hydrocortisone and Quinupristin / dalfopristin: 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
Quinupristin/dalfopristin inhibits CYP3A4 and may increase exposure to hydrocortisone. The effect is mostly relevant with prolonged or high-dose steroid use, where corticosteroid excess may follow.
What this interaction means in plain words
Hydrocortisone and Quinupristin / dalfopristin 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
Inhibition of CYP3A4-mediated hydrocortisone metabolism.
What to do
Monitor for corticosteroid adverse effects such as hyperglycemia and fluid retention during co-use, and reduce the hydrocortisone dose if they appear.
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 Hydrocortisone
- Hydrocortisone + Mifepristone Contraindicated
- Hydrocortisone + Poliovirus vaccine live oral trivalent Contraindicated
- Hydrocortisone + Smallpox vaccine live Contraindicated
- Adenovirus types 4 and 7 live + Hydrocortisone Major
- Aldesleukin + Hydrocortisone Major
- Aspirin + Hydrocortisone Major
Frequently asked questions
Can I take Hydrocortisone with Quinupristin / dalfopristin?
MediHelp rates the interaction as moderate. Hydrocortisone and Quinupristin / dalfopristin 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. Quinupristin/dalfopristin inhibits CYP3A4 and may increase exposure to hydrocortisone. The effect is mostly relevant with prolonged or high-dose steroid use, where corticosteroid excess may follow.
How serious is the interaction between Hydrocortisone and Quinupristin / dalfopristin?
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 for corticosteroid adverse effects such as hyperglycemia and fluid retention during co-use, and reduce the hydrocortisone dose if they appear.
What other medicines interact with Hydrocortisone?
MediHelp also lists interactions of Hydrocortisone with, for example, Mifepristone, Poliovirus vaccine live oral trivalent, Smallpox vaccine live. The full list is on the Hydrocortisone page.
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