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Cangerzi is the dried fruit of xanthium sibiricum Patr. with nvolucre, pertaining to Asteraceae. It is collected in fall when the seed becomes ripe. The stem and leaf as well as other impurities are removed. It is stir-baked to remove the thorn for medical purpose.
[ Medicinal Properties ]: Pungent, bitter and warm. Toxic; relate to lung meridians.
[ Medicinal Efficacies ]: Dispel cold, release superficies; open nose; dispel wind, resolve dampness; stop pain.
[ Usage and Dosage ]: 3-9g. Also it is used in pills or powder.
[ Precautions ]: Avoid with headache due to blood deficiency. Over dosage tends to cause intoxication.
[ Annotation ]: Cang er cao It is the stem and leaf of xanthium sibiricum patr. bitter, pungent and slightly tosic. It can dispel wind, clear heat and relieve toxicity, to treat arthralgic pain due to wind-damp with convulsion of four limbs and leprosy,deep-rooted boils, and skin itching. Dosage 6-15g. For it is toxic, avoid use for log time. Also it be can used externally.
[ Clinical Applications ]: 1. Wind-cold of exterior type Cangerzi treats external contraction of wind-cold ,manifesting as aversion to cold, fever, headache, body pain, nasal congestion and nasal discharge, in combination with Fangfeng, Baizhi and Qianghuo. But it is seldom used in the wind-cold of exterior type for it is weak to dispel cold and release superficies.
2. Sinusitis It treats sinusitis, with headache, poor olfaction, turbid nasal discharge, by oral administration or external application. It treats sinusitis due to wind-cold, combined with xinyi and Baizhi; for example in Cangerzi Powder. It treats sinusitis due to wind-heat invasion or accumulation of damp-heat, in combination with Bohe and Huangqin.
3. Wind-damp and arthralgic pain By itself, it treats arthralgia due to wind-damp, manifesting as joint pain and convulsion of four limbs, or in combination with other wind-damp-dispelling medicinals.
苍耳子为菊科植物苍耳Xanthium sibiricum Patr.的干燥成熟带总苞的果实。产于全国各地,多自产自销。秋季果实成熟时采收,干燥,除去梗、叶等杂质。炒去硬刺用。