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Drug interactions

Hydrochlorothiazide-lisinopril + Indapamide

Severity: Moderate

Hydrochlorothiazide-lisinopril and Indapamide: 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

Combining two thiazide-type diuretics provides little added benefit and increases the risk of hypokalemia, hyponatremia, hypotension and volume depletion. With the ACE inhibitor there is also a risk of renal impairment.

What this interaction means in plain words

Hydrochlorothiazide-lisinopril and Indapamide 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-lisinopril belongs to Cardiovascular; Indapamide belongs to Cardiovascular.

Evidence level: Moderate

Why it happens

Duplicate inhibition of distal tubular sodium chloride reabsorption causes additive natriuresis and potassium loss.

What to do

Avoid therapeutic duplication and use a single thiazide-type agent. If combined, monitor sodium, potassium and renal function.

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-lisinopril with Indapamide?

MediHelp rates the interaction as moderate. Hydrochlorothiazide-lisinopril and Indapamide 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. Combining two thiazide-type diuretics provides little added benefit and increases the risk of hypokalemia, hyponatremia, hypotension and volume depletion. With the ACE inhibitor there is also a risk of renal impairment.

How serious is the interaction between Hydrochlorothiazide-lisinopril and Indapamide?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid therapeutic duplication and use a single thiazide-type agent. If combined, monitor sodium, potassium and renal function.

What other medicines interact with Hydrochlorothiazide-lisinopril?

MediHelp also lists interactions of Hydrochlorothiazide-lisinopril with, for example, Dofetilide, Sacubitril / valsartan, Amifostine. The full list is on the Hydrochlorothiazide-lisinopril page.

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