Drug interactions
Dexamethasone + Levonorgestrel intrauterine
Severity: Minor
Dexamethasone and Levonorgestrel intrauterine: 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 weak-to-moderate CYP3A4 inducer, but the intrauterine levonorgestrel system acts mainly locally with low systemic exposure. Loss of contraceptive efficacy is not expected.
What this interaction means in plain words
Dexamethasone and Levonorgestrel intrauterine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Possible weak CYP3A4 induction by dexamethasone, with little relevance given the predominantly local progestin action.
What to do
No change is needed; the intrauterine system's contraceptive efficacy relies on local action.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Dexamethasone and Levonorgestrel intrauterine, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
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 Levonorgestrel intrauterine?
MediHelp rates the interaction as minor. Dexamethasone and Levonorgestrel intrauterine 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 weak-to-moderate CYP3A4 inducer, but the intrauterine levonorgestrel system acts mainly locally with low systemic exposure. Loss of contraceptive efficacy is not expected.
How serious is the interaction between Dexamethasone and Levonorgestrel intrauterine?
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 change is needed; the intrauterine system's contraceptive efficacy relies on local action.
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.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
