Pharmaceutical Latin: Concha Meretricis/Cyclinae
Common English: Clam Shell
Meretrex Meretrex
Herbs that Transform Phlegm and Stop Coughing: Herbs that Cool and Transform Phlegm-Heat
Taste Temperature Entering Meridians Dosage
Fresh, calcined or roasted: 3-16g place in a cheesecloth bag before decocting
Powders and Pills: 1-3g
Actions Indications/Syndromes

Clears Lung Heat, transforms Phlegm and descends Lung Qi

Cough and wheezing due to Phlegm-Heat or Phlegm-Fire with viscous, yellow, difficult to expectorate sputum with chest and rib pain

Cough, asthma, bronchitis

Softens hardness and dissipates nodules

Phlegm-Fire goiter and scrofula

Promotes urination and expels Dampness

Milky Lin (turbid, painful urinary dysfunction and vaginal discharge) (mild effect)

Superficial edema and urinary dysfunction

Phlegm-Dampness (Tan Yin)

Lingering Phlegm

Persistent Phlegm

Controls acidity and stops pain (calcined and powdered)

Acid regurgitation and epigastric pain with Excess stomach acid, hemorrhoids, bloody dysentery and gastric and duodenal ulcers

  • Contraindicated for those with Lung Qi Deficiency with Cold.
  • Contraindicated for those with Yang Deficiency.

Rx. Scutellariae
Huang Qin
Sm. Trichosanthis
Gua Lou Ren
Rx. Platycodi
Jie Geng

Fr. Trichosanthis
Gua Lou
Fr. Gardeniae
Zhi Mu
Fr. Trichosanthis
Gua Lou
Fr. Gardeniae
Zhi Zi
Indigo Naturalis
Qing Dai

Indigo Naturalis
Qing Dai

Phlegm-Heat Clogging the Lungs with a stifling sensation in the chest, wheezing, and coughing up of viscous, yellow sputum.

Phlegm-Fire with chest pains, cough and wheezing.

Red eyes, bitter taste, pain in the ribs, paroxysmal cough and viscous sputum that is difficult to expectorate due to Lung Heat.

Fu Shi
Rz. Cynanchi Stauntonii
Bai Qian
Cx. Mori
Sang Bai Pi

Thallus Eckloniae
Kun Bu
Hai Zao
(Concha Arcae)
(Wa Leng Zi)

Fr. Malvae
Dong Kui Zi
Caulis Akebiae
Mu Tong

Cough and wheezing due to Phlegm-Fire Obstructing the Lungs.

Goiter and scrofula.

Painful urinary dysfunction.

Cx. Phellodendri
Huang Bai

Endoconcha Sepiae
Hai Piao Xiao
Rz. Corydalis
Yan Hu Suo
Rx. Glycyrrhizae
Gan Cao

Fu Ling
Zhu Ling
Hua Shi

Vaginal discharge.

Stomach acid.

Gastric and duodenal ulcers.

Superficial edema with urinary dysfunction.

Fr. Trichosanthis
Gua Lou



Cough with thick, yellow sputum and a stifling sensation in the chest due to Phlegm-Heat with constrained, clumping of Qi.

As a complete formula for chest pain due to Phlegm and thin mucus.



  1. This herb immediately reduces clotting in women and also reduces fixed and mobile abdominal masses in men.
  2. It has been shown to inhibit the growth of cancer cells.
  3. This herb treats perspiration in exogenous disease, abdominal Blood Stasis, convulsions and and paralysis of the limbs due to apoplexy.
  4. The meat of this herb treats menoxenia.
  5. Both Ge Qiao and Pumex Fu Shi are salty, cold, clear the Lungs, transform viscous Phlegm and soften areas of hardness. Both are used for cough with Phlegm that is difficult to expectorate due to Phlegm-Heat, scrofula and urinary difficulty. Ge Qiao is heavy and descends Qi. It acts to reduce abdominal masses and eliminate Blood Stagnation. Fu Hai Shi is light and tends to ascend into the Lung channel and Upper Jiao.
  6. Both Ge Qiao and Concha Arcae Wa Leng Zi transform sticky Phlegm and control gastric acid. Ge Qiao is cold and better for Lung Heat and Dryness with coughing of Blood and facilitates fluid metabolism and reduces edema. Wa Leng Zi is neutral and is broadly used for Phlegm Accumulation, transforms Blood Stagnation and reduces abdominal and other masses.
  7. Calcined Meretricis/Cyclinae Duan Hai Ge Qiao is easier to pulverize into a fine powder for burns and eczema. It is used internally for hyperacidity of the Stomach.