This product is the shell of various marine clams, including the hard clam (Meretrix meretrix Linnaeus) and the Chinese cyclina (Cyclina sinensis Gmelin) from the family Veneridae. They are harvested during the summer and autumn seasons.

bubble_chart Properties and Meridians

Bitter and salty, cold. act on lung and stomach channels.

bubble_chart Indications

1. Clearing the lung and resolving phlegm: Mainly treats phlegm-heat cough, yellow and sticky phlegm, and phlegm-fire stagnation causing chest and hypochondriac pain.
2. Softening hardness and dissipating mass: Effective in treating goiter, subcutaneous nodules, and scrofula. Often combined with medicinals that disperse phlegm and dissipate masses.
3. Unblock water and disperse edema: Used for edema and difficulty in urination.
4. When calcined, it can neutralize acid and relieve pain, treating stomachache and acid regurgitation.

bubble_chart Usage and Dosage

10-15g, Clam Shell Powder is suitable for wrap-boiling; for pills and powders, 1-3g.