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Drug interactions

Hydrochlorothiazide-losartan + Saxagliptin

Severity: Minor

Hydrochlorothiazide-losartan and Saxagliptin: 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

Thiazide diuretics can modestly raise blood glucose and may partly offset the glucose-lowering effect of saxagliptin. The effect is usually small at low hydrochlorothiazide doses.

What this interaction means in plain words

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

Hydrochlorothiazide-losartan belongs to Cardiovascular; Saxagliptin belongs to Endocrine.

Evidence level: Moderate

Why it happens

Thiazide-induced hypokalemia and reduced insulin secretion and sensitivity oppose the antihyperglycemic action of DPP-4 inhibitors.

What to do

Monitor blood glucose and HbA1c after starting or changing the thiazide dose. Adjust antidiabetic therapy if control worsens.

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 Hydrochlorothiazide-losartan with Saxagliptin?

MediHelp rates the interaction as minor. Hydrochlorothiazide-losartan and Saxagliptin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Thiazide diuretics can modestly raise blood glucose and may partly offset the glucose-lowering effect of saxagliptin. The effect is usually small at low hydrochlorothiazide doses.

How serious is the interaction between Hydrochlorothiazide-losartan and Saxagliptin?

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 glucose and HbA1c after starting or changing the thiazide dose. Adjust antidiabetic therapy if control worsens.

What other medicines interact with Hydrochlorothiazide-losartan?

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

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