Heather Leaf
Calluna vulgaris / Erica spp.
T Traditional useA tea made from the flowering tops of heather, traditionally used as a mild diuretic in minor urinary complaints. Its effect has not been clinically shown.
Image: Herbadex Botanik Stüdyosu · Özel Üretim
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At a glance
Heather is a shrub of the heath family growing in Europe and northern Anatolia. Its flowering tops contain small amounts of arbutin and flavonoids. It is traditionally used to increase urine flow in minor urinary complaints. The effect has not been clinically shown; Germany's Commission E listed it among herbs without documented efficacy.
Updated: October 15, 2026
ℹ Compiled from standard pharmacognosy references and clinical literature summaries where no formal EMA monograph exists.
What is it used for?
T Traditional use
Traditional use: Based on at least 30 years of documented traditional use rather than clinical trials.
How do we rate evidence levels? →Traditionally used as a diuretic in minor urinary complaints. [1]
How is it used?
Tea
Infuse 1.5–2 g of dried flowering tops in 150 ml of boiling water for 10 minutes; drink plenty of fluids.
Amount: 2–3 times daily
Duration limit: 1 week
[1]Safety & interactions
Minimum age: 12 years
- See a doctor if fever, painful urination or blood in the urine occur.
- Do not use with kidney disease.
- Because it contains arbutin, do not use long term.
- Safety in pregnancy and breastfeeding has not been shown; ask a doctor before use.
Drug interactions
No recorded interactions
Side effects
- Rarely stomach upset
⚕ When to see a doctor
- If high fever, shortness of breath or purulent/bloody phlegm develops
- If symptoms do not improve within 1–2 weeks or worsen
- If severe abdominal pain, jaundice, rash or allergic reaction occurs
Did you know?
Heather was once so common in Scotland that it was used for roof thatch and mattress filling. [1]
Frequently asked questions
What is heather tea used for?
It is traditionally drunk as a diuretic in minor urinary complaints.
Is it related to heather honey?
Yes, heather flowers are the source of dark heather honey.
How long can heather be used?
Briefly, at most 1 week; see a doctor if symptoms persist.
Sources
- EFSA Compendium of Botanicals Reported to Contain Naturally Occurring Substances of Possible ConcernEFSA · 2022
- Trease and Evans Pharmacognosy (16th Edition)Elsevier Health Sciences · 2009
Cite This Page
Heather Leaf (Calluna vulgaris / Erica spp.). Herbadex — Doğal Şifa Rehberi (2026). https://herbadex.com/en/herb/heather-leaf/
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