Siberian Cocklour Fruit, Fruit of Siberian Cocklebur
Siberian Cocklour Fruit, Xanthium sibiricum, Cang Er Zi
Pungent, bitter and warm, toxic; lung meridian entered.
Disperse wind-cold, relieves nasal obstruction, and stop pain.
- Wind-cold exterior syndrome
It has a minor function to expel wind-cold therefore it is not commonly used for common cold due to wind-cold. But because of the action to relieve nasal obstruction and stop pain, it is often used for wind-cold syndrome manifested as headache and body pain, nasal stuffiness with discharge together with Qiang Huo, Bai Zhi and other herbs to disperse wind-cold.
- Nasal Stuffiness and discharge
It has a good effect on free nasal obstruction and relieves nasal stuffiness. It can also stop turbid nasal discharge, stop pain and relieve distention pain of forehead and nasal cavity with its warm and dry property. It can be applied either internally or externally with multiple effects for both symptoms and pathological changes such as nasal stuffiness, continuous turbid nasal discharge, loss of sense of smell and forehead pain. It has been regarded as an important medicine for treating nasal stuffiness since ancient times.
The disease sinusitis is often caused by exterior wind-heat attack or damp-heat stagnation. For this disease, Cang Er Zi is often used with wind-heat-dispersing herbs such as Bo He, Ju Hua, Huang Qin or with heat-clearing herbs. It's also frequently used for other rhinopathy such as acute rhinitis, chronic rhinitis and allergic rhinitis.
In addition, it can dispel wind-damp and stop pain of arthralgia to assist other wind-damp-dispersing herbs. It’s commonly used for wind-cold-damp arthralgia. It can also be used to treat pruritus and headache due to wind cold.
Dosage and Administrations
Decoct 3~10g or make it into pills and powder. It should be roasted and ground to get thorns for better prescription and decoction of the active components and less toxin.
Not suitable for headaches due to blood deficiency.
Overdose will lead to toxication.