Dittany root bark (bai xian pi)

Dictamnus dasycarpus

Traditionally attributed effects: drains heat, dampness and wind in itchy, weeping skin conditions.

Safety notes

Not with cold or qi deficiency with cold in the abdomen. Cases of liver damage have been reported: not for long periods and not with liver disease. Traditional use is no proof of effectiveness; if you are pregnant, breastfeeding, taking medication or have a medical condition, consult a doctor or pharmacist.

Preparation

Root bark. Usually as a decoction, together with other herbs.

Use in traditions

Described in the classical Chinese materia medica, in the group 'herbs that cool heat and detoxify'. The root bark is used for itchy, weeping rashes, eczema and scabies, internally and in washes. The related European burning bush gives off so much essential oil that it can ignite on warm days.

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.

Chinese materia medica

Nature and taste: bitter, salty, cold
Meridians: spleen, stomach, bladder

Attributed effects

For hot ulcers with yellow pus or foul discharge and wind-damp in the skin with itching, eczema, hives, scabies, fungal infections and psoriasis.

Preparation and amount

Traditional dosage: 6–12 g a day, usually in a decoction.

Combinations

With ku shen for itchy fungal infections
With fang feng and tribulus for eczema and hives

Ways to prepare herbs: Decoction

Sources

All herbs from Asia →