Lengxiao Wan

Name

Pill for Treating Asthma of Cold Type.

The Prescription of Lengxiao Wan

Source

The book Zhang Shi Yi Tong.

Ingredients

• Ma Huang (Herba Ephedrae) 30 g,
• Sheng Chuan Wu (Radix Aconiti) 30 g,
• Xi Xin (Herba Asari) 30 g,
• Hua Jiao (Pericarpium Zanthoxyli) 30 g,
• Bai Fan (Alumen) 30 g,
• Zhi Zhu Ya Zao 30 g,
• Ban Xia Qu (Rhizoma Pinelliae prepared with flour and ginger juice) 30 g,
• Dan Nan Xing (Arisaema cum Bile) 30 g,
• Xing Ren (Semen Armeniacae Amarum) 30 g,
• Gan Cao (Radix Glycyrrhizae) 30 g,
• Zi Wan (Radix Asteris) 60 g,
• Dong Hua (Flos Farfarae) 60 g.

Explanation

Ma Huang, Chuan Wu and Xi Xin: Warming the lung, resolving phlegm, ventilating the lung, relieving asthma.

Hua Jiao: Warming up the middle-Jiao and removing dampness.

Bai Fan and Zhu Ya Zao: Eliminating phlegm and relieving fullness.

Ban Xia Qu and Dan Nan Xing: Eliminating phlegm and checking upward adverse flow of Qi.

Xing Ren, Zi Wan and Dong Hua: Eliminating phlegm, aresting cough and relieving dyspnea.

Gan Cao: Tempering the actions of all the other ingredients.

The Effect of Lengxiao Wan

Effect

Warming the lung, eliminating phlegm.

Indications

Dyspnea and cough due to wind-cold, marked by dyspnea and shortness of breath which makes it difficult to lie flat, cough with sputum occurring when it is cold, fullness in the chest, whitish slippery tongue coating, and floating slippery or taut slippery pulse; including such diseases with the above symptoms as bronchial asthma, asthmatic bronchitis, chronic bronchitis and pulmonary emphysema.

Administrations

All the drugs are ground into fine powder. The powder is made with ginger juice into pills. 6 g of the pills is taken with warm boiled water each time, twice daily. Instead, the drugs may be decocted in water for oral use. In doing so, their amounts should be reduced according to their original proportions.

This prescription is used mainly when the onset of cough and dyspnea take place. Once the disease condition is controlled, prescriptions for regulating and reinforcing the spleen and lung should be used instead or as the compatible ones in order that the body resistance can be enhanced and relapse may be prevented.