Drug interactions
Juniper + Metolazone
Severity: Minor
Juniper and Metolazone: 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
Juniper berry preparations have mild diuretic properties and could add to the fluid and electrolyte loss produced by metolazone. High doses of juniper have also been linked to renal irritation, which could worsen volume depletion or renal function in patients on a potent thiazide-like diuretic.
What this interaction means in plain words
Juniper and Metolazone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Additive diuretic effect; the interaction is theoretical and not well characterised.
What to do
Advise patients to avoid juniper supplements while taking metolazone. If used, monitor weight, blood pressure, serum electrolytes and renal function.
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?
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Other interactions of Metolazone
Frequently asked questions
Can I take Juniper with Metolazone?
MediHelp rates the interaction as minor. Juniper and Metolazone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Juniper berry preparations have mild diuretic properties and could add to the fluid and electrolyte loss produced by metolazone. High doses of juniper have also been linked to renal irritation, which could worsen volume depletion or renal function in patients on a potent thiazide-like diuretic.
How serious is the interaction between Juniper and Metolazone?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise patients to avoid juniper supplements while taking metolazone. If used, monitor weight, blood pressure, serum electrolytes and renal function.
What other medicines interact with Metolazone?
MediHelp also lists interactions of Metolazone with, for example, Amifostine, Amlodipine-hydrochlorothiazide-valsartan, Amlodipine-olmesartan-hydrochlorothiazide. The full list is on the Metolazone page.
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