Genkwa
(yuan hua)
Flos
Genkwa
Properties:
Pungent and bitter in
flavour, cold in nature, being poisonous, it acts on the
lung, kidney and large intestine channels. Pungent for
dispersing, bitter for sending down, cold for clearing
away, the herb has the laxative effect on urine and stool
and can remove fluid retention. Its action is similar to
that of kansui root and knoxia root. It is a poisonous
herb, suitable for edema due to syndrome of excess type.
In addition, it has parasiticidal effect and antipruritic
effect, and is effective for skin diseases by external
application.
Effects:
Removing fluid retention,
being parasiticidal and effective for skin disease.
Indications:
1. For hydrothorax, ascites,
constipation and difficulty in micturition due to syndrome
of excess, the herb is often used in combination with
kansui root and knoxia root for reinforcing the
synergistic function.
2. For scalp fungus infection,
infantile tinea capitis and neurodermatitis, the powder of
genkwa flower is used alone or mixed with realgar powder
and lard to make up an ointment for external application.
Dosage and Administration: 1.5-3g,
it is usually used internally in pills or powder, 0.6g
each time, proper dosage for external use. The herb after
processing by vinegar can reduce its toxicity.
Precautions: It is
contraindicated for pregnant women and weak patients and
is antagonistic to liquorice.
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