Qian Hu - 前胡 - Radix Peucedani

Pharmaceutical Latin:	Radix Peucedani
Common English:	Asian Masterwort Root Hogfennel Root Peucedanum Root / Hog‐fennel root

Properties

Taste	Temperature	Entering Meridians	Dosage
Bitter Acrid	Slightly Cold (Cold)	Lung (Spleen)	3-10g Tincture: 2-4ml

Actions	Indications/Syndromes
Expels Phlegm and descends Qi	Lung Heat (cough, wheezing, thick Phlegm, tight chest)
Expels Wind-Heat	Wind-Heat with a headache and coughing (most suitable when Wind-Heat constrains the Lungs)

CONTRAINDICATIONS

INCOMPATIBILITIES

HERB/DRUG INTERACTIONS

Use with caution for patients taking anticoagulants such as heparin, warfarin (Coumadin) and enoxaparin (Lovenox) or antiplatelet drugs such as aspirin, dipyridamole (Persantine) and clopidogrel (Plavix) as concurrent use may have an additive or synergistic effect.

Cx. Mori Sang Bai Pi Sm. Armeniacae Xing Ren Bul. Fritillariae Bei Mu	Rz. Cynanchi Stauntonii Bai Qian	Rx. Bupleuri Chai Hu
Lung Heat with coughing of thick sputum, stifling sensation in the chest, and irritability.	Cough due Wind Invasion affecting the Lungs.	Wind-Heat constraining the Lungs, leading to a stifling sensation in the chest and cough with profuse sputum.
Rx. Platycodi Jie Geng Fr. Arctii Niu Bang Zi Hb. Menthae Haplocalycis Bo He
Headache, fever, nasal congestion, rhinitis, and cough due to external Wind-Heat.

Among the best herbs for Hot Phlegm, it is used mainly in acute conditions.
For Cold Phlegm, it is combined with warming herbs.
It helps with grogginess and congestion on waking.
Rx. Peucedani Qian Hu and Rx. Bupleuri Chai Hu both dispel Wind and relieve the stifling feeling and distention in the chest and epigastrium. Qian Hu transforms Phlegm and descends Qi, and it is used when cough from external Wind Invasion is more prominent. Chai Hu releases the exterior and spreads Liver Qi, and it is used for malarial disorders from external invasion. The two can be combined for external invasion with cough, rebellious Qi, thick sputum and/or malarial disorders. Most sources mention only Wind-Heat.
Qian Hu and Sm. Armeniacae Xing Ren both enter the Lung channel and descend Qi. Qian Hu is cool; it drains Lung Heat and expels Wind-Heat, treating sticky, yellow Phlegm. Xing Ren is warm; it dispels Wind-Cold and relieves wheezing with abundant white Phlegm.
Prepared Peucedani Root Zhi Qian Hu moistens better and so treats dry cough.
Dry-fried Peucedani Root Chao Qian Hu is less cold and harmonizes the Stomach better.