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Drug interactions

Captopril-hydrochlorothiazide + Liraglutide

Severity: Minor

Captopril-hydrochlorothiazide and Liraglutide: 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

Hydrochlorothiazide can worsen glucose tolerance and offset the glucose-lowering effect of liraglutide, while captopril may modestly enhance insulin sensitivity. Net effect on glycemic control may vary, and GLP-1 related fluid loss can add to diuretic volume depletion.

What this interaction means in plain words

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

Captopril-hydrochlorothiazide belongs to Cardiovascular; Liraglutide belongs to Endocrine.

Evidence level: Low

Why it happens

Thiazides reduce insulin sensitivity and secretion, while ACE inhibitors may improve insulin sensitivity, producing opposing pharmacodynamic effects on glucose.

What to do

Monitor blood glucose when starting or changing doses of either drug. Maintain hydration and monitor renal function if vomiting or diarrhea occurs.

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 Captopril-hydrochlorothiazide with Liraglutide?

MediHelp rates the interaction as minor. Captopril-hydrochlorothiazide and Liraglutide 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 can worsen glucose tolerance and offset the glucose-lowering effect of liraglutide, while captopril may modestly enhance insulin sensitivity. Net effect on glycemic control may vary, and GLP-1 related fluid loss can add to diuretic volume depletion.

How serious is the interaction between Captopril-hydrochlorothiazide and Liraglutide?

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 when starting or changing doses of either drug. Maintain hydration and monitor renal function if vomiting or diarrhea occurs.

What other medicines interact with Captopril-hydrochlorothiazide?

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

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