Drug interactions
DHEA herbal + Estradiol
Severity: Moderate
DHEA herbal and Estradiol: 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
DHEA is an androgen and estrogen precursor and can raise estrogen levels itself, so combined use may lead to additive hormonal effects. The legacy CYP3A4 explanation is not well established.
What this interaction means in plain words
DHEA herbal and Estradiol 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
Additive hormonal effect, as DHEA is converted to androgens and estrogens; a CYP3A4 effect is not established.
What to do
Avoid unsupervised DHEA use with estradiol, especially in women with hormone-sensitive cancer or thrombotic risk. Monitor for estrogenic or androgenic adverse effects if used.
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 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 DHEA herbal with Estradiol?
MediHelp rates the interaction as moderate. DHEA herbal and Estradiol 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. DHEA is an androgen and estrogen precursor and can raise estrogen levels itself, so combined use may lead to additive hormonal effects. The legacy CYP3A4 explanation is not well established.
How serious is the interaction between DHEA herbal and Estradiol?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid unsupervised DHEA use with estradiol, especially in women with hormone-sensitive cancer or thrombotic risk. Monitor for estrogenic or androgenic adverse effects if used.
What other medicines interact with Estradiol?
MediHelp also lists interactions of Estradiol with, for example, Anastrozole, Fezolinetant, Ospemifene. The full list is on the Estradiol page.
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