(U. S. P., viii-Not Official.)

Latin, Acidum Sulphurosum (Gen., Acidi Sulphurosi)

Eng., Sulphurous Acid. Formula, H2S03.

Form

A colorless liquid containing not less than 6 per cent. by weight of Sulphur Dioxide and about 94 per cent. of water.

Odor And Taste

A pungent, disagreeable odor and acid taste.

1 Ohmann-Dumesnil: Diseases of the Skin.

Solubility

Miscible in all proportions with water or alcohol.

Lncompatibles

Those of sulphuric acid may apply.

Average Dose

30 minims (2 mils).

Therapeutic Action

Antiseptic, germicide, disinfectant.

Uses

Principally used in the treatment of such conditions as tonsillitis, pharyngitis, diphtheria, stomatitis, etc. Has been recommended for flatulence, vomiting, etc.

Administration

It should be well diluted when taken. Probably the most frequent employment is shown in the treatment of throat disease.

The following will illustrate:

M.

Sig

Tablespoonful in water every two hours.