administration being frequently indicated. The employment of other
medicines frequently should be preceded by the administration of an
agent of this class, to neutralize excessive acidity in the stomach and
bowels. Unless this be done, many medicines will fail to produce their
specific effects.

SULPHITE OF SODA (_Sodæ Sulphis_). This salt, as well as the
Hyposulphite of Soda, is not only generally preferable for
administration on account of its unirritating character and the
smallness of the dose required, but also because it is a valuable
antiseptic agent. The _Sulphite_ should not be confounded with the
_Sulphate_ of Soda (Glauber's Salt). _Dose_--This is from three to ten
grains.

SALERATUS (_Potassæ Bicarbonas_). This is a favorite domestic antacid.
_Dose_--Five to fifteen grains is the amount.


ACIDS.


As alkalies are important and often indicated as remedial agents, acids,
so their re-agents, acids, are also frequently necessary to meet
opposite conditions of the fluids of the system.

HYDROCHLORIC OR MURIATIC ACID. This agent may be administered in doses
of from five to ten drops, largely diluted in water or gruel.

AROMATIC SULPHURIC ACID, or Elixir of Vitriol, is the most agreeable
form of Sulphuric Acid for administration, and may be given in doses of