The short answer
A harmful interaction between juniper cone berries and enalapril has not been established. Juniper preparations used for urinary symptoms are still unsuitable for people with severe kidney disease or a prescribed fluid restriction. Older warnings about juniper oils should not be treated as proof about the berries.
What this answer covers
Oral Juniperus communis cone berries and their preparations. Findings do not cover concentrated essential oil or other Juniperus species.
- Supplement or preparation
- juniper cone berries
- Medication ingredient
- enalapril
What is known about the combination?
The European assessment found little clinical evidence on juniper cone berries and did not establish an interaction with enalapril. Targeted searches also did not locate a qualifying human study of this pair. The risk therefore cannot be quantified, and the lack of a study does not establish safety.
Do reports of kidney injury apply to juniper berries?
The EMA review found that older discussions often confused cone berries with concentrated essential oil or other Juniperus species. It also questioned the strength of several historic kidney-toxicity claims. The exact species, plant part and preparation matter; a warning about an oil cannot simply be assigned to a berry tea.
When do kidney or fluid precautions matter?
Juniper preparations for urinary symptoms are not recommended in severe kidney disease or when a clinician has advised restricting fluids. That can matter to people taking enalapril for heart or kidney-related problems. Do not increase your fluid intake to follow an herbal product instruction if it conflicts with your existing care plan.
What should I discuss with my pharmacist?
Bring the full label and explain whether it is a berry tea, an extract, an essential oil or a combination product. Review why you want to use it and whether you have kidney disease, dehydration or a fluid restriction. There is no established enalapril-juniper spacing rule. Fever, painful urination or blood in the urine warrants medical assessment rather than continued self-treatment.
Evidence and practical considerations
Side effects & toxicity
No qualifying human evidence was found establishing an additional safety risk from enalapril taken with Juniperus communis cone berries.
- Exact scope
- Oral Juniperus communis cone berries and their preparations. Findings do not cover concentrated essential oil or other Juniperus species. with Enalapril, exact RxCUI 3827, inventory name enalapril, TTY IN. The inspected enalapril maleate label explicitly identifies the maleate salt of enalapril and its hydrolysis to enalaprilat. This is the salt-to-IN bridge for oral tablets and solution. The solution label also includes tablet clinical data. Do not transfer these conclusions to injected enalaprilat, combination products, or other ACE inhibitors without a separate rationale.
- Medication form and route
- oral
- Timing or duration
- No pair-specific duration threshold established.
What remains uncertain
- This is an evidence gap, not a safety assurance. Older oil, species and preparation mismatches cannot support a berry-specific interaction.
Factors that may matter: exact species and plant part; scarce human data.
Read the supporting source summaries
Source 1: regulatory herbal assessment
ema.europa.eu · Source check Sep 10, 2026
Population: Traditional users of oral Juniperus communis cone berry preparations; no published human clinical studies of efficacy or pharmacology identified by the assessment.
No enalapril interaction is established. The review flags confusion between berries, oils and species in older kidney-toxicity claims. Severe renal disease and prescribed fluid restriction remain reasons not to use urinary juniper preparations.
How this applies: Preserves the inventory spelling Juniperus Communis but normalizes the species epithet case only. Applies to J. communis cone berries, not essential oil or other Juniperus species. Enalapril-specific toxicity remains unproven.
Sparse systematic human safety data; pharmacovigilance cannot prove safety. A phenprocoumon case is unrelated to enalapril. Precautions do not demonstrate that ordinary berry use causes kidney injury.
Research assessment: · Open full citations ↗
Timing & monitoring
Severe renal disease or a prescribed fluid restriction is a reason to avoid urinary-use juniper preparations and discuss the plan with a clinician.
- Exact scope
- Oral Juniperus communis cone berries and their preparations. Findings do not cover concentrated essential oil or other Juniperus species. with Enalapril, exact RxCUI 3827, inventory name enalapril, TTY IN. The inspected enalapril maleate label explicitly identifies the maleate salt of enalapril and its hydrolysis to enalaprilat. This is the salt-to-IN bridge for oral tablets and solution. The solution label also includes tablet clinical data. Do not transfer these conclusions to injected enalaprilat, combination products, or other ACE inhibitors without a separate rationale.
- Medication form and route
- oral
- Timing or duration
- Consult for persistent urinary symptoms; no validated dose gap.
What remains uncertain
- These are preparation and disease restrictions, not proof that juniper amplifies enalapril nephrotoxicity. Enalapril-specific susceptibility is based on its own renal and volume-status warnings.
Factors that may matter: severe kidney disease; fluid restriction; dehydration.
Read the supporting source summaries
Source 1: regulatory herbal assessment
ema.europa.eu · Source check Sep 10, 2026
Population: Traditional users of oral Juniperus communis cone berry preparations; no published human clinical studies of efficacy or pharmacology identified by the assessment.
No enalapril interaction is established. The review flags confusion between berries, oils and species in older kidney-toxicity claims. Severe renal disease and prescribed fluid restriction remain reasons not to use urinary juniper preparations.
How this applies: Preserves the inventory spelling Juniperus Communis but normalizes the species epithet case only. Applies to J. communis cone berries, not essential oil or other Juniperus species. Enalapril-specific toxicity remains unproven.
Sparse systematic human safety data; pharmacovigilance cannot prove safety. A phenprocoumon case is unrelated to enalapril. Precautions do not demonstrate that ordinary berry use causes kidney injury.
Source 2: regulatory prescribing information
dailymed.nlm.nih.gov · Source check Sep 10, 2026
Population: Patients prescribed oral enalapril for hypertension, heart failure or asymptomatic left ventricular dysfunction.
Warns that volume or salt depletion can produce excessive hypotension and renal consequences. Serum potassium should be monitored. Potassium supplements can cause hyperkalemia. Describes the maleate salt and conversion to enalaprilat.
How this applies: Applies to oral enalapril through the explicit maleate-to-enalapril bridge. Physiologic susceptibility is relevant when a botanical causes fluid loss or opposes blood-pressure control; this is an explicit clinical inference.
No named botanical interaction is measured. These medication-specific warnings establish susceptibility and monitoring context, not the incidence or magnitude of any botanical interaction.
Research assessment: · Open full citations ↗
Review and change history
- Publication status
- Published research summary
- Clinical review
- Not yet recorded
| Date | Update |
|---|---|
| Article prepared | |
| Original evidence and current official source documents inspected. Article distinguishes measured findings, preparation limits and remaining uncertainty. | |
| Research summary published |
Article revision: 75d7931dea1f53d0
This guide brings together the evidence records used by our interaction checker. Each finding retains its own preparation limits, research date, and source summaries.
Full citations require verification. Reading this answer and the source summaries does not.
Taking other supplements or medications?
Use the checker to explore your other combinations. Ask a pharmacist to review the exact products, amounts and medical conditions in your complete list.
Open the interaction checkerInformation, not medical advice. Do not change prescribed treatment based on this guide.