Drug interactions
Dexamethasone + Ethinyl estradiol-norgestimate
Severity: Minor
Dexamethasone and Ethinyl estradiol-norgestimate: 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, and any effect on ethinyl estradiol is likely small, particularly with short courses. Clinically significant contraceptive failure is not well documented.
What this interaction means in plain words
Dexamethasone and Ethinyl estradiol-norgestimate 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; Ethinyl estradiol-norgestimate belongs to Endocrine.
Why it happens
Weak induction of CYP3A4 may modestly increase estrogen metabolism.
What to do
No routine change needed for short courses; consider back-up contraception with prolonged high-dose therapy and counsel on breakthrough bleeding.
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 Ethinyl estradiol-norgestimate
- Ethinyl estradiol-norgestimate + Fezolinetant Contraindicated
- Ethinyl estradiol-norgestimate + Ombitasvir / paritaprevir / ritonavir and dasabuvir Contraindicated
- Ethinyl estradiol-norgestimate + Tranexamic acid Contraindicated
- Aminocaproic acid + Ethinyl estradiol-norgestimate Major
- Amobarbital + Ethinyl estradiol-norgestimate Major
- Anastrozole + Ethinyl estradiol-norgestimate 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 Ethinyl estradiol-norgestimate?
MediHelp rates the interaction as minor. Dexamethasone and Ethinyl estradiol-norgestimate 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, and any effect on ethinyl estradiol is likely small, particularly with short courses. Clinically significant contraceptive failure is not well documented.
How serious is the interaction between Dexamethasone and Ethinyl estradiol-norgestimate?
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 change needed for short courses; consider back-up contraception with prolonged high-dose therapy and counsel on breakthrough bleeding.
What other medicines interact with Ethinyl estradiol-norgestimate?
MediHelp also lists interactions of Ethinyl estradiol-norgestimate with, for example, Fezolinetant, Ombitasvir / paritaprevir / ritonavir and dasabuvir, Tranexamic acid. The full list is on the Ethinyl estradiol-norgestimate page.
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