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Drug interactions

Cholecalciferol + Colestipol

Severity: Moderate

Cholecalciferol and Colestipol: 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

Colestipol binds fat-soluble vitamins in the gut and may reduce vitamin D absorption. Long-term use could contribute to low vitamin D status.

What this interaction means in plain words

Cholecalciferol and Colestipol 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.

Cholecalciferol belongs to Musculoskeletal; Colestipol belongs to Cardiovascular.

Evidence level: Moderate

Why it happens

Bile acid sequestration impairs fat-soluble vitamin absorption and binds vitamin D in the intestine.

What to do

Take vitamin D at least 4 hours before colestipol. Monitor 25-hydroxyvitamin D levels during long-term therapy.

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?

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 Cholecalciferol with Colestipol?

MediHelp rates the interaction as moderate. Cholecalciferol and Colestipol 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. Colestipol binds fat-soluble vitamins in the gut and may reduce vitamin D absorption. Long-term use could contribute to low vitamin D status.

How serious is the interaction between Cholecalciferol and Colestipol?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Take vitamin D at least 4 hours before colestipol. Monitor 25-hydroxyvitamin D levels during long-term therapy.

What other medicines interact with Cholecalciferol?

MediHelp also lists interactions of Cholecalciferol with, for example, Digoxin, Aluminum hydroxide, Calcium acetate. The full list is on the Cholecalciferol page.

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