Cong Bai - 蔥白 - Bulbus Allii

Pharmaceutical Latin:	Bulbus Allii
Common English:	Alium Chinese Green Onion Chive Scallion Spring Onion

Properties

Taste	Temperature	Entering Meridians	Dosage
Acrid	Warm Slightly Warm	Lung Stomach	2-10g Tincture: 2-4ml

Actions	Indications/Syndromes
Releases the exterior and induces sweating	Wind-Cold especially very early stages
Disperses Cold and unblocks Yang	Abdominal pain due to blockage of Yang Qi by Cold Nasal congestion and pain due to blockage of Yang Qi by Cold
Relieves toxicity and disperses clumps	Toxic sores and abscesses (topical)
Kills parasites	Abdominal pain due to Intestinal parasites

CONTRAINDICATIONS

Contraindicated for those with exterior Deficiency with profuse sweat (Tai Yang Zhong Feng).
Use with caution for those with Yin Deficiency and Yang Excess.
Large doses can produce gastric irritation, hemorrhoids, headache and fever.
Over use can injure the beard and head hair and cause confusion due to Yin Deficiency with deficient Heat rising upward.

INCOMPATIBILITIES

HERB/DRUG INTERACTIONS

Sm. Sojae Preparata Dan Dou Chi (Rz. Zingiberis Recens) (Sheng Jiang)	Fol. Perillae Zi Su Ye	Hb. Ephedrae Ma Huang (Rx. Puerariae) (Ge Gen)
Initial stages of External Wind-Cold invasion.	Early stage colds.	Wind-Cold without sweating. Eliminates Fluid retention and promotes urination to treat Wind-Water. (facial, head and upper body edema)
Rx. Angelicae Dahuricae Bai Zhi	Apis Mel (Honey) Feng Mi	Sm. Sojae Preparata Dan Dou Chi
Splitting headache during colds.	As an external poultice for sores and abscesses.	Treats elderly or weak patients, pregnant women and children during any season for either Hot or Cold pathogens. During influenza epidemics as a preventative Early-stage Wind-Cold with chills, anhidrosis, headache, nasal congestion and sneezing
Fr. Gardeniae Zhi Zi Fr. Forsythiae Lian Qiao Hb. Menthae Bo He	Rx. Aconiti Lateralis Preparata Zhi Fu Zi Rx. Zingiberis Sheng Jiang	Colla Corii Asini E Jiao
Wind-Cold with Interior Heat.	Internal Cold blocking the Yang.	Constipation.

Honey slows the energy, but brown sugar is acceptable.
In Cold-type abdominal pain, heated Cong Bai is applied to the umbilicus.
In dysuria, it is stir-fried and applied topically over the lower abdomen.
Cong Bai and Bul. Allii Macrostemi Xie Bai are both warm and acrid and enter the Lungs. Cong Bai has a mild diaphoretic action that releases the exterior, which Xie Bai does not have. Cong Bai enters the Stomach channel instead of the Large Intestine channel and is used for diarrhea from Shao Yin Cold. Xie Bai opens the orifices and unblocks the Large Intestine in dysenteric disorders caused by Cold Stagnation; it is bitter, warmer and more able to move Qi, so it can drive Cold out of the chest and scour turbid Phlegm, unbinding chest Bi with pain penetrating to the back, wheezing and shortness of breath.
Scallion Bulb with Rootlets Lian Xu serves to unblock Qi. Used fresh, it is acrid, dispersing warmth and unblocking the Lung and Stomach channels; once cooked, it becomes acrid, warm and sweet.

Month 7 (Lung, bones): KI-9, BL-11; Long Gu, Mu Li, Xu Duan, Du Zhong: Month 7: warm the interior, rid damp-cold, strengthen bones with KI-9, BL-11, Long Gu, Mu Li, Xu Duan, Du Zhong; restless fetus: Zhong Ru Shi. (Lewis)