Traditional Chinese Medicine Healing Herbs(TCMHH)

Blood-Activating and Menstruation-Regulating Herbs

Hei Zhong Cao Zi (Semen Nigellae)

黑种草子 Semen Nigellae 黑種草子
By the TCMHH editorial team Not medically reviewed How we work Updated 6 Oct 2026
Hei Zhong Cao Zi (Semen Nigellae)
Hei Zhong Cao Zi (Semen Nigellae)
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Hei Zhong Cao Zi

Name

Hei Zhong Cao Zi (Semen Nigellae)

The Effect of Hei Zhong Cao Zi

Property

Sweet, pungent, warm; spleen, lung and heart meridians entered.

Actions

Activate blood and stimulate the menstrual flow, promote diuresis and remove calculus, tonify the kidney and brain.

Indications

Edema, amenorrhea, abnormal menstruation, dizziness, scabies, cough and dyspnea, leucoderma, lithangiuria, hypogalactia, early white beard and hair,.

Dosage and Administrations

Decoct 6~15 g. Proper dosage is for external application, pounded for applying.

Cautions

It is contraindicated to pregnant women and people with heat disease.

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Sources and further reading

We cite classical materia medica and modern reference works. This article is health education, not medical advice.

  • Shennong Bencao Jing (The Divine Farmer's Materia Medica), Han dynasty.
  • Bencao Gangmu (Compendium of Materia Medica), Li Shizhen, 1578.
  • Chinese Pharmacopoeia, current edition — identity, quality and safety monographs.
  • NCCIH and WHO reference material on traditional medicine safety.

Spotted an error or a better source? Tell us — corrections are logged on our editorial policy page.

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