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[苦木 (Picrasma quassioides)]

[Herbal/Medical/Chemical Entry]

Tianfu Aromatherapy Institute
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Featured herb

苦木 (Picrasma quassioides)

编号: RM_108 | 英文名: Bitterwood


Overview Card

ItemContent
FamilyPicrasma
Medicinal PartWood
Flavor and ChannelBitter, Cold; enters the Liver, Stomach, and Large Intestine Channels
Core EffectsClear Heat and Detoxify, Dry Dampness and Kill Worms
Associated Essential OilBitterwood Essential Oil

Basic Information

Origin: Shaanxi, Gansu, Sichuan, China

Core Effects:

  • Clear Heat and Detoxify - for boils, sore throat, and swelling
  • Dry Dampness and Kill Worms

Classic Formula References

Note: There are no classic formulas recorded for this herb.


Clinical Applications

Indications:

  • Clear Heat and Detoxify (for boils, sore throat, and swelling)
  • Dry Dampness and Kill Worms

Modern Uses: Aromatherapy, essential oil care, daily health maintenance

Usage: Decoction, 3-10g/day; essential oil for external use should be diluted (0.5-2%)

Essential Oil Application: See Bitterwood Essential Oil entry


Effect Tags

  • Clear Heat and Detoxify
  • Clear Heat and Drain Dampness
  • Kill Worms

Applicable Adjustment Directions

Adjustment directions associated with the health issues/treatment directions noted in the library for related essential oils (for reference and search, not a diagnostic conclusion):

  • Boils and Swelling
  • Itching of the Skin

Safety Warnings

Contraindications: Pregnant women, lactating mothers, and infants should use with caution.

Important Tips: ⚠️ When using essential oils, they must be used strictly according to the dilution ratio, avoid direct contact with the skin, and a skin test should be performed before use.


Compilation Notes: This entry is compiled based on the Chinese Pharmacopoeia, classic medical texts, and modern research, and is for professional reference only, not medical advice.

Last Updated: 2026-04-23 | Version: v4.2

Updated:

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