Drug interactions
Estradiol + Secobarbital
Severity: Moderate
Estradiol and Secobarbital: 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
Barbiturates induce hepatic enzymes and can speed estradiol metabolism, which may reduce estrogen effect. This can cause return of menopausal symptoms, breakthrough bleeding or reduced contraceptive efficacy.
What this interaction means in plain words
Estradiol and Secobarbital 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.
Estradiol belongs to Endocrine; Secobarbital belongs to Central Nervous System.
Why it happens
Induction of CYP3A4 and conjugating enzymes by secobarbital increases estradiol clearance.
What to do
Monitor for loss of estrogenic effect or breakthrough bleeding and increase the estradiol dose if clinically needed. Advise non-hormonal contraception if estrogen is used for contraception.
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 Secobarbital
- Calcium / magnesium / potassium / sodium oxybates + Secobarbital Contraindicated
- Doravirine + Secobarbital Contraindicated
- Elbasvir / grazoprevir + Secobarbital Contraindicated
- Elvitegravir / cobicistat / emtricitabine / tenofovir df + Secobarbital Contraindicated
- Isavuconazonium + Secobarbital Contraindicated
- Lonafarnib + Secobarbital Contraindicated
Other interactions of Estradiol
- Anastrozole + Estradiol Contraindicated
- Estradiol + Fezolinetant Contraindicated
- Estradiol + Ospemifene Contraindicated
- Antithrombin alfa + Estradiol Major
- Antithrombin iii + Estradiol Major
- Estradiol + Exemestane Major
Frequently asked questions
Can I take Estradiol with Secobarbital?
MediHelp rates the interaction as moderate. Estradiol and Secobarbital 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. Barbiturates induce hepatic enzymes and can speed estradiol metabolism, which may reduce estrogen effect. This can cause return of menopausal symptoms, breakthrough bleeding or reduced contraceptive efficacy.
How serious is the interaction between Estradiol and Secobarbital?
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 loss of estrogenic effect or breakthrough bleeding and increase the estradiol dose if clinically needed. Advise non-hormonal contraception if estrogen is used for contraception.
What other medicines interact with Secobarbital?
MediHelp also lists interactions of Secobarbital with, for example, Calcium / magnesium / potassium / sodium oxybates, Doravirine, Elbasvir / grazoprevir. The full list is on the Secobarbital page.
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