Drug interactions
Mineral oil + Vitamin a
Severity: Minor
Mineral oil and Vitamin a: 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
Mineral oil is not absorbed and dissolves fat-soluble vitamins in the gut lumen, carrying them out in the stool. Chronic use can reduce vitamin A absorption and contribute to deficiency, particularly with poor intake.
What this interaction means in plain words
Mineral oil and Vitamin a have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Mineral oil belongs to Gastrointestinal Tract; Vitamin a belongs to Gastrointestinal Tract.
Why it happens
Mineral oil partitions fat-soluble vitamins into the non-absorbable oil phase, reducing their intestinal uptake.
What to do
Avoid long-term mineral oil use, and if used, take vitamin A at a different time of day, well apart from the oil. Monitor for deficiency in prolonged users.
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 Mineral oil
Other interactions of Vitamin a
- Acitretin + Vitamin a Major
- Etretinate + Vitamin a Major
- Isotretinoin + Vitamin a Major
- Palovarotene + Vitamin a Major
- Bexarotene + Vitamin a Moderate
- Minocycline + Vitamin a Moderate
Frequently asked questions
Can I take Mineral oil with Vitamin a?
MediHelp rates the interaction as minor. Mineral oil and Vitamin a have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Mineral oil is not absorbed and dissolves fat-soluble vitamins in the gut lumen, carrying them out in the stool. Chronic use can reduce vitamin A absorption and contribute to deficiency, particularly with poor intake.
How serious is the interaction between Mineral oil and Vitamin a?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid long-term mineral oil use, and if used, take vitamin A at a different time of day, well apart from the oil. Monitor for deficiency in prolonged users.
What other medicines interact with Mineral oil?
MediHelp also lists interactions of Mineral oil with, for example, Docusate, Vitamin k1, Beta carotene. The full list is on the Mineral oil page.
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