Clam Shell is the Shell of Meretrix meretrix Linnaeus or Cyclina
sinensis Gmelin (Fma. Veneridae).
To remove heat and resolve phlegm, to soften
hard masses and eliminate nodulations, and to alleviate epigastric
pain by inhibiting acid secretion.
Cough, chest pain and bloody sputum caused by heat
in the lung,; scrofula, goitre; epigastric pain associated
with acid regurgitation; external use for eczema and scalds.
be decocted before other ingredients, and wrapped for making
decoction if powdered concha is used; for external use, appropriate
quantity to be ground into extremely fine powder and sprayed
on the lesions or applied topically after mixing with oil