Lygodium spores (Haijinsha)
Lygodium japonicum (Thunb.) Sw. (Fam. Lygodiaceae)
Pharmaceutical Name: Spora Lygodii
Botanical Name: Lygodium
japonicum (Thunb.) Sw. (Fam. Lygodiaceae)
Common Name: Lygodium spores, Japanese fern spores, Japanese climbing fern spore.
Source of Earliest Record: Jiayou
Bencao.
Part Used & Method for Pharmaceutical
Preparations: The spores are gathered in autumn and dried in the sun.
Properties & Taste: Sweet and cold.
Meridians: Urinary bladder and small
intestine.
Functions: To promote water metabolism
and regulate abnormal urination.
Indications & Combinations:
1. Damp-heat in the urinary bladder
manifested as various abnormal urinary symptoms including hot urine, urinary
tract stones, bloody urine, turbid urine, dysuria, painful urination, urgency
of micturition and frequent urination. Lygodium spores (Haijinsha) is used
with Talc (Huashi), Lysimachia (Jinqiancao), Plantain seed (Cheqianzi) and
Amber (Hupo).
2. For galacturia due to Pathogenic Heat, it is used with Pulvis Talci (Hua Shi), Folium
Pyrrosiae (Shi Wei) and Semen Plantaginis (Che Qian Zi).
3. For edema due to Pathogenic Dampness in
the Spleen, it is used with Semen
Pharbitidis (Qian Niu Zi) and Radix Kansui (Gan Sui).
Dosage: 6-12 g, wrapped in gauze and
decocted in water for an oral dose.
Cautions & Contraindications: The
herb should be wrapped with a cloth for decoction, or decoction should be put
through a strainer.
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