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Drug interactions

Hydrochlorothiazide-valsartan + Liraglutide

Severity: Moderate

Hydrochlorothiazide-valsartan and Liraglutide: 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

Valsartan may slightly enhance glucose lowering, whereas hydrochlorothiazide can raise blood glucose and partly counteract liraglutide. Liraglutide-related nausea, vomiting or diarrhea may also cause volume depletion and kidney injury in patients taking a diuretic and valsartan.

What this interaction means in plain words

Hydrochlorothiazide-valsartan and Liraglutide 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.

Hydrochlorothiazide-valsartan belongs to Cardiovascular; Liraglutide belongs to Endocrine.

Evidence level: Low

Why it happens

Opposing effects on insulin sensitivity from thiazide and angiotensin receptor blockade, plus additive risk of dehydration-related renal impairment.

What to do

Monitor glycemic control when thiazide therapy is started or changed. Advise adequate hydration and check renal function if gastrointestinal symptoms occur.

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 Hydrochlorothiazide-valsartan with Liraglutide?

MediHelp rates the interaction as moderate. Hydrochlorothiazide-valsartan and Liraglutide 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. Valsartan may slightly enhance glucose lowering, whereas hydrochlorothiazide can raise blood glucose and partly counteract liraglutide. Liraglutide-related nausea, vomiting or diarrhea may also cause volume depletion and kidney injury in patients taking a diuretic and valsartan.

How serious is the interaction between Hydrochlorothiazide-valsartan and Liraglutide?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor glycemic control when thiazide therapy is started or changed. Advise adequate hydration and check renal function if gastrointestinal symptoms occur.

What other medicines interact with Hydrochlorothiazide-valsartan?

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

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