Has had brilliant clinical results in inflammation of mucous membranes characterized by a membranous exudation; otherwise its action and application is like the carbonate. Cancer pains.

Head.--Vertigo in open air. Senses obscure while reading. Megrim, with great coldness in head and sour taste.

Female.--Membranous dysmenorrhoea (Borax).

Respiratory.--Rattling expiration. Cough loose, with expectoration of large pieces like casts of bronchial tubes. Breathing difficult; better bending shoulders backward. Constrictive anxious sensation in chest.

Relationship.--Compare: Brom; Borax; also Calc oxal, in excruciating pains of open cancer.

Dose.--Third trituration.