Ericaceae · leaf
Uva-ursi
Arctostaphylos uva-ursi
Leaf mapped as a traditional urinary antiseptic. Not a guideline UTI drug.
Safety first
Arbutin is metabolized toward hydroquinone. Short-term professional only. Pregnancy contraindicated. Not for fever or flank pain. Alkaline urine folklore is not a protocol.
Tradition vs trials
Traditional record. European leaf for dysuria. Commission E recorded short-term use.
Trial literature. Modern RCTs are limited. Safety, not efficacy, is why this is restricted.
Practical ranges
Educational ranges — not a prescription. Culinary use is not an extract.
leaf (adults, short-term)
Commission E-type ranges are often about 400–800 mg arbutin/day equivalent, for a few days only
ESCOP / German Commission E — Educational range only — not a prescription. A licensed clinician individualizes product, dose, and duration.
Pregnancy, nursing, children
- Pregnancy. Contraindicated.
- Nursing. Avoid.
- Children. Not for children.
Contraindications
- pregnancy
- kidney disease
- fever/flank pain as sole care
- prolonged use
Key interactions
- drugs that acidify urine · note
Traditional pharmacology claims reduced activity in acid urine.