Drug interactions
Chlorhexidine + Estradiol
Severity: Minor
Chlorhexidine and Estradiol: 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
Oral chlorhexidine is not expected to meaningfully affect estradiol levels. The proposed effect via gut flora is theoretical and unsupported by evidence.
What this interaction means in plain words
Chlorhexidine and Estradiol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Chlorhexidine belongs to Miscellaneous; Estradiol belongs to Endocrine.
Why it happens
Theoretical alteration of gut flora affecting estrogen enterohepatic recirculation; not established.
What to do
No intervention is needed.
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 Estradiol
- Anastrozole + Estradiol Contraindicated
- Estradiol + Fezolinetant Contraindicated
- Estradiol + Ospemifene Contraindicated
- Antithrombin alfa + Estradiol Major
- Antithrombin iii + Estradiol Major
- Estradiol + Exemestane Major
Other interactions of Chlorhexidine
Frequently asked questions
Can I take Chlorhexidine with Estradiol?
MediHelp rates the interaction as minor. Chlorhexidine and Estradiol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Oral chlorhexidine is not expected to meaningfully affect estradiol levels. The proposed effect via gut flora is theoretical and unsupported by evidence.
How serious is the interaction between Chlorhexidine and Estradiol?
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 intervention is needed.
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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