Drug interactions
Mestranol + Vitamin B6
Severity: Minor
Mestranol 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 oral contraceptives have been associated with lower pyridoxine status, with altered tryptophan metabolism seen in some users. Clinically significant deficiency is uncommon with modern low-dose products.
What this interaction means in plain words
Mestranol 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.
Why it happens
Estrogens alter tryptophan-kynurenine metabolism and may increase demand for vitamin B6; the exact mechanism is not fully established.
What to do
No routine action is needed. Consider dietary review or supplementation if signs of deficiency such as neuropathy or depression appear.
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 Vitamin B6
- Ethotoin + Vitamin B6 Moderate
- Fosphenytoin + Vitamin B6 Moderate
- Isoniazid + Vitamin B6 Moderate
- Levodopa + Vitamin B6 Moderate
- Penicillamine + Vitamin B6 Moderate
- Phenobarbital + Vitamin B6 Moderate
Frequently asked questions
Can I take Mestranol with Vitamin B6?
MediHelp rates the interaction as minor. Mestranol 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 oral contraceptives have been associated with lower pyridoxine status, with altered tryptophan metabolism seen in some users. Clinically significant deficiency is uncommon with modern low-dose products.
How serious is the interaction between Mestranol 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 is needed. Consider dietary review or supplementation if signs of deficiency such as neuropathy or depression appear.
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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