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Herbs & Cultures
Image of Comfrey

Europe · Herb · № 95

Symphytum officinale

Region
Europe
Origin
Europe and western Asia, in damp meadows and along waterways. Symphytum officinale
4 traditionsImage: Agnieszka Kwiecień ( Nova ) · CC BY 2.5

Herb · Europe

Comfrey

Symphytum officinale

Topical preparations have been studied for bruises, sprains and back pain and appear to reduce pain. It contains allantoin, which is thought to support tissue repair.

Safety notes

Contains pyrrolizidine alkaloids that can cause serious liver damage; never take internally. Do not use on open wounds, long term, or in pregnancy or breastfeeding.

Cautions by tradition (3)
  • Herbal medicine worldwide: Not on dirty wounds.
  • Natural skin and hair care: External use only and not on open wounds; do not use for long periods and not during pregnancy or breastfeeding. The decoction keeps for 3–4 days in the fridge.
  • Western herbs in Chinese medicine: External use only, not on open or deep wounds and not for long periods.

Preparation

Only externally as ointment, cream or compress on unbroken skin. No dosage is given here.

Use in traditions

Its old name 'knitbone' refers to use for fractures; the grated root was packed around limbs like plaster. Ody describes it as a classic wound and bone herb.

Applications

Use by tradition

How different herbal traditions describe this herb. Amounts are traditional guidelines checked for obvious errors; they are not medical advice. For poisonous plants no dosage is given on purpose.

Herbal medicine worldwide

Attributed effects

Promotes cell growth, astringent, soothing, wound-healing, expectorant; for stomach ulcers, fractures, bruises, joint complaints.

Preparation and amount

Internally only under professional supervision (pyrrolizidine alkaloids), max. 6–8 weeks, never take the root internally; oil as massage for arthritic joints, sprains and bruises; compress; cream twice a day for at least 2 months for osteoarthritis; syrup for dry cough; poultice of crushed leaves on small fractures (toes, ribs).

Caution: Not on dirty wounds.