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Huo Ma Ren (Hemp Seeds or Cannabis Seeds)

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Neutral Huo Ma Ren (Semen Cannabis Sativae)
Sweet, Neutral
Semen Cannabis Sativae
Tone Marks:
huŏ má rén
Fire Hemp Seeds


  • Moistens the Intestines
    For constipation from Blood deficiency, fever, or post-partum. Especially useful in treating constipation in the elderly or debilitated.
  • Strengthens the Yin
    For constipation from a mild case of Yin deficiency.
  • Clears Heat
    Used with other herbs to reduce ulcerations and sores, for this purpose it is either used topically or taken internally.

Contraindications and Cautions

  • Do not use in patients with diarrhea. Large dosages may result in leukorrhea or spermatorrhea.

Herb-Drug Interactions

  • This section is being researched, and is not completed.

Toxicity and Overdose

  • This section is being researched, and is not completed.


  • 9-15 grams. Up to 45 grams can be used if this herb is taken alone or as a primary herb in a formula.
  • Part used: seed.

This Herb Appears in the Following Formulas:

Go to the Endangered/Toxic List This herb is considered endangered, toxic, or is illegal in the United States