Ma Huang Tang

Class: Formulas for relieving superficial syndromes
Sub-class: relieve exterior with pungent and warm

Indications:

chills, fever, no sweat, aversion to cold, cough/wheeze, asthma, back/head/muscle ache 

tongue: thin white coat 

pulse: floating, tight

ma huang (herba ephedra)	9g	LU, BL; slightly bitter; warm release exterior & disperse cold by inducing sweating; circulate & descend LU Qi to stop wheezing
gui zhi (ramulus cinnamomi)	6g	HE, LU, BL; sweet; warm harmonize wei & ying qi; tonify HE yang; move yang & transform Qi; warm the channels & disperse cold
xing ren (semen armeniacae amarum)	9g	LU, LI; bitter; slightly warm; slightly toxic stop cough & calm wheezing; moisten intestines & unblocks bowels
zhi gan cao (radix et rhizoma glycyrrhizae praeparata cum melle)	3g	HE, LU, SP, ST; sweet; neutral tonify SP & Qi; moisten lungs & stop cough; clear heat & reduce toxicity; relieve spasm & alleviate pain;

Ma Huang

Yu Ping Feng San

Class: Astringent

Subclass:

Huang Qi (radix astragali membranacei)	15 g	Tonifies Qi. Raises Yang. Strengthens the Defensive-Qi. Strengthens the Exterior.
Bai Zhu (rhizoma atractylodis macrocephalae)	15 g	Tonifies Qi. Strengthens the Spleen. Dries Dampness
Fang Feng (radix ledebouriellae divaricatae)	7.5 g	Expels Wind. Releases the Exterior. Disperses Dampness.

Actions:

Restrains sweating, Strengthens the Exterior, Tonifies Qi

Indications:

Deficiency of the Exterior with weak and unstable protective Qi (Wei Qi).

Possible symptoms and diseases according to TCM:

Immune system weakness (easily catches colds)

Allergic rhinitis, Aversion to drafts, Aversion to wind
Chronic bronchitis, Flu syndrome, Respiratory tract infection
Spontaneous sweating

Tongue: pale body; white coat
Pulse:    superficial, weak

Huang Qi