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Drug interactions

Estradiol + Vitamin B6

Severity: Minor

Estradiol and Vitamin B6: 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

Estrogen-containing therapy has been associated with lower measured vitamin B6 status, particularly with higher-dose oral contraceptives. Clinically significant deficiency is uncommon with usual diets.

What this interaction means in plain words

Estradiol and Vitamin B6 have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Estradiol belongs to Endocrine; Vitamin B6 belongs to Gastrointestinal Tract.

Evidence level: Low

Why it happens

Estrogens appear to alter tryptophan metabolism and increase demand for pyridoxal phosphate, though the mechanism is not firmly established.

What to do

No routine action needed; ensure adequate dietary intake and consider supplementation only if deficiency symptoms occur.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Estradiol with Vitamin B6?

MediHelp rates the interaction as minor. Estradiol and Vitamin B6 have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Estrogen-containing therapy has been associated with lower measured vitamin B6 status, particularly with higher-dose oral contraceptives. Clinically significant deficiency is uncommon with usual diets.

How serious is the interaction between Estradiol and Vitamin B6?

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 action needed; ensure adequate dietary intake and consider supplementation only if deficiency symptoms occur.

What other medicines interact with Vitamin B6?

MediHelp also lists interactions of Vitamin B6 with, for example, Ethotoin, Fosphenytoin, Isoniazid. The full list is on the Vitamin B6 page.

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