Dried Herb & Tea

Small-Flowered Willowherb

Epilobium parviflorum

T Traditional use

Traditionally taken as a tea for lower urinary tract symptoms of benign prostate enlargement, after a doctor has ruled out serious conditions.

Small-Flowered Willowherb – Dried Herb & Tea

Image: Herbadex Botanik Stüdyosu · Özel Üretim

PregnancyUnknown
BreastfeedingUnknown
Children⚠ Avoid
Drug interactionsNo recorded interactions
On this page

At a glance

The EMA assesses willowherb (Epilobium angustifolium and/or E. parviflorum) as a traditional herbal product for lower urinary tract symptoms related to benign prostatic hyperplasia. This use applies only after a doctor has ruled out serious conditions such as prostate cancer. Long-term use is possible.

Parts used: aerial-parts
Key constituents: Beta-sitosterol & Oenothein B

Updated: October 15, 2026

✓ This herb record is backed by official European Medicines Agency (EMA HMPC) herbal monographs.

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 to relieve lower urinary tract symptoms of benign prostate enlargement, after serious conditions have been ruled out by a doctor. [1]

How is it used?

Tea

Infuse 1.5–2 g of cut herb in 250 ml of boiling water.

Amount: Twice daily

[1]

Safety & interactions

Minimum age: 18 years

  • Have a doctor assess the cause of your urinary symptoms before use.
  • See a doctor at once if symptoms worsen or fever, cramps, blood in the urine, painful urination or inability to pass urine occur.
  • Used for prostate complaints in men; there is no relevant use in children or adolescents.
[1]

Drug interactions

No recorded interactions

Side effects

  • None known according to the monograph; report any unexpected effect to a doctor

⚕ 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?

Willowherb is one of the few herbs the EMA considers suitable for long-term use. [1]

Frequently asked questions

Does willowherb help the prostate?

The EMA accepts its traditional use for urinary symptoms of benign prostate enlargement, once a doctor has ruled out serious disease.

How is willowherb tea made?

Infuse 1.5–2 g of herb in 250 ml of boiling water; drink twice daily.

Can willowherb be used long term?

According to the monograph long-term use is possible; see a doctor if symptoms worsen.

Sources

  1. European Union herbal monograph on Epilobium angustifolium L. and/or Epilobium parviflorum Schreb., herbaEMA HMPC · 2015

Cite This Page

Small-Flowered Willowherb (Epilobium parviflorum). Herbadex — Doğal Şifa Rehberi (2026). https://herbadex.com/en/herb/small-flowered-willowherb/

Related guides and comparisons

Other herbs in the same preparation form (Dried Herb & Tea)

Dried Herb & Tea →
Echinacea flowers and a dropper bottle
⚠ Avoid in pregnancy

Echinacea

A Strong clinical evidence

Echinacea purpurea

Juice pressed from fresh echinacea plants may help with short-term prevention and treatment of colds. Dried echinacea tea is not covered.

Dried Herb & Tea

Senna – Dried Herb & Tea
⚠ Avoid in pregnancy

Senna

A Strong clinical evidence

Senna alexandrina

A stimulant laxative for short-term relief of occasional constipation. No longer than 1 week; not for children under 12, in pregnancy or while breastfeeding.

Dried Herb & Tea