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Drug interactions

Amlodipine-hydrochlorothiazide-valsartan + Rosiglitazone

Severity: Minor

Amlodipine-hydrochlorothiazide-valsartan and Rosiglitazone: 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

Rosiglitazone may inhibit OATP1B1 in vitro, which could theoretically increase valsartan exposure. No clinically significant pharmacokinetic effect is established. Thiazolidinediones cause fluid retention and edema, which may partly offset antihypertensive therapy and add to amlodipine-related edema.

What this interaction means in plain words

Amlodipine-hydrochlorothiazide-valsartan and Rosiglitazone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Amlodipine-hydrochlorothiazide-valsartan belongs to Cardiovascular; Rosiglitazone belongs to Endocrine.

Evidence level: Low

Why it happens

Theoretical OATP1B1 inhibition affecting valsartan uptake; additive fluid retention from rosiglitazone and amlodipine.

What to do

Monitor blood pressure and for edema or heart failure symptoms. No routine dose adjustment is needed.

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 Amlodipine-hydrochlorothiazide-valsartan with Rosiglitazone?

MediHelp rates the interaction as minor. Amlodipine-hydrochlorothiazide-valsartan and Rosiglitazone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Rosiglitazone may inhibit OATP1B1 in vitro, which could theoretically increase valsartan exposure. No clinically significant pharmacokinetic effect is established. Thiazolidinediones cause fluid retention and edema, which may partly offset antihypertensive therapy and add to amlodipine-related edema.

How serious is the interaction between Amlodipine-hydrochlorothiazide-valsartan and Rosiglitazone?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood pressure and for edema or heart failure symptoms. No routine dose adjustment is needed.

What other medicines interact with Amlodipine-hydrochlorothiazide-valsartan?

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

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