Skip to content

Drug interactions

Amlodipine-olmesartan-hydrochlorothiazide + Colesevelam

Severity: Moderate

Amlodipine-olmesartan-hydrochlorothiazide and Colesevelam: 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

Colesevelam can bind olmesartan in the gut and lower its absorption, possibly reducing blood pressure control. Binding of hydrochlorothiazide is also possible.

What this interaction means in plain words

Amlodipine-olmesartan-hydrochlorothiazide and Colesevelam 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.

Amlodipine-olmesartan-hydrochlorothiazide belongs to Cardiovascular; Colesevelam belongs to Endocrine.

Evidence level: Moderate

Why it happens

Bile acid sequestrant binds olmesartan in the gastrointestinal tract, reducing absorption.

What to do

Give the combination tablet at least 4 hours before colesevelam. Monitor blood pressure if dosing cannot be separated.

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.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Amlodipine-olmesartan-hydrochlorothiazide and Colesevelam, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 14 days on the web. No card needed.

Frequently asked questions

Can I take Amlodipine-olmesartan-hydrochlorothiazide with Colesevelam?

MediHelp rates the interaction as moderate. Amlodipine-olmesartan-hydrochlorothiazide and Colesevelam 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. Colesevelam can bind olmesartan in the gut and lower its absorption, possibly reducing blood pressure control. Binding of hydrochlorothiazide is also possible.

How serious is the interaction between Amlodipine-olmesartan-hydrochlorothiazide and Colesevelam?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Give the combination tablet at least 4 hours before colesevelam. Monitor blood pressure if dosing cannot be separated.

What other medicines interact with Amlodipine-olmesartan-hydrochlorothiazide?

MediHelp also lists interactions of Amlodipine-olmesartan-hydrochlorothiazide with, for example, Aliskiren, Dofetilide, Sparsentan. The full list is on the Amlodipine-olmesartan-hydrochlorothiazide page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in