PLANTS, THEIR PROPERTIES, YOUR BALANCE.
Botanical illustration: Bearberry (Arctostaphylos uva-ursi (L.) Spreng.)

BOTANICAL ILLUSTRATION · ERICACEAE

THE HERBARIUM · ERICACEAE

Bearberry

Arctostaphylos uva-ursi (L.) Spreng.

A tightly restricted traditional use, exclusively in adult women after a serious cause has been medically ruled out.

Part used
Leaves
Origin & distribution
Distribution not detailed in the references consulted.

Fever, lower back pain or blood in the urine: seek medical advice promptly.

BOTANICAL IDENTITY

The right name is the first step.

Also known as: bearberry

The botanical name, part and preparation must match. A photograph is not enough for identification intended for consumption.

An illustration is not enough to identify a plant for consumption. Do not forage for a species based solely on this profile.

01 · UNDERSTAND

Properties & uses.

Traditional use

Mild recurrent urinary symptoms

Traditional use for burning during urination and urinary frequency; does not replace a diagnosis or an indicated antibiotic.

Read the source

The traditional uses described are not clinical proof of effectiveness. Evidence for one preparation cannot automatically be applied to another.

02 · UNDERSTAND THE ACTION

How does the plant act?

Bearberry leaf is traditionally used for certain mild, recurrent urinary symptoms in adult women, after a serious cause has been excluded. An antimicrobial hypothesis exists, but it is not sufficient to regard it as a plant-based antibiotic. The EMA’s 2025 update examines more recent trials that require particular caution about promises of replacing antibiotics.

Constituents to know.

Their presence and quantity depend on the plant part and preparation.

Arbutin and tannins
Arbutin is a hydroquinone derivative. Its quantity varies; the leaves also contain tannins. The transformation of constituents matters as much as their presence.Read the reference
Preclinical research

Hypothesis of urinary antibacterial activity

Hydroquinone released from arbutin is a proposed explanation based on experiments. This does not establish clinical eradication of infection.

Read the reference
Traditional use

Targeted traditional relief

The monograph does not extend this use to men, children or every urinary tract infection. Severe symptoms require different care.

Read the reference

What this means for preparation.

Arbutin content does not guarantee a clinical benefit. Prior assessment of symptoms, the exact form and the limited duration of a product are decisive.

03 · EXAMINE THE EVIDENCE

What the research shows.

A laboratory or animal result alone does not demonstrate a benefit in humans. Each result must be read alongside the preparation studied and its limitations.

01Human studies

ATAFUTI and REGATTA trials

Type of research
EMA 2025 addendum: randomized controlled trials in women.
Preparation concerned
Leaf extracts, distinct from an uncharacterized herbal tea.
Observed results
ATAFUTI, 382 participants: no demonstrated difference in symptom severity versus placebo. REGATTA did not demonstrate non-inferiority to fosfomycin.
Limitations to consider
These results do not justify replacing an indicated antibiotic with bearberry.
Read the reference

What can we take from this?

Laboratory activity does not justify a prolonged preventive course. Metabolism into hydroquinone and toxicological uncertainties contribute to the restrictions on use.

Documentary review dated 09/10/2026. The references remain available to check the context.

04 · CHOOSE A PREPARATION

One plant, several preparations.

Only forms documented in this profile’s sources are presented.

Herbal teaLeaves · Route: oral

Dried, comminuted leaves.

Please note: Have its suitability checked before taking it.

Read the source
Dry extractLeaves · Route: oral

Solid form with a defined extract.

Please note: No more than one week according to the EMA; reassess if symptoms persist or worsen.

Read the source

05 · BEFORE ANY USE

Precautions & contraindications.

This guidance does not cover every individual situation. Missing information is not a guarantee of safety.

Contraindications

  • Kidney disorder: do not use.
  • Do not use without medical exclusion of a serious condition.

Medicine interactions

  • Interactions are not detailed here: have a pharmacist check treatments and the preparation.

Adverse effects

  • Nausea, vomiting and stomach pain have been reported.

Pregnancy & breastfeeding

Pregnancy and breastfeeding: have the preparation checked; no self-medication is proposed here.

Children & adolescents

For adult women only; no paediatric use.

If symptoms persist, worsen or are unusual, consult a healthcare professional. In an emergency, contact the emergency services.

06 · PUTTING KNOWLEDGE INTO PRACTICE

Preparations & recipes.

No home recipe is provided in this profile. For an appropriate preparation, refer to the product leaflet and ask your pharmacist for advice.

07 · CHECK THE SOURCES

Sources for this profile.

  1. EMA — Uvae ursi folium: official dossierAccessed on 09/10/2026
  2. EMA — assessment report on Arctostaphylos uva-ursi (L.) Spreng. (Leaves)Accessed on 09/10/2026
  3. EMA — addendum to the assessment report on Arctostaphylos uva-ursi (L.) Spreng. (Leaves)Accessed on 09/10/2026

Illustration: Flora von Deutschland, Österreich und der Schweiz — Otto Wilhelm Thomé (1885), via Wikimedia Commons · Public domain. View the original image and its licence. Image resized and converted to WebP.

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