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SODA (Bicarbonate of Soda).--Uses. It is used in stomach fermentation and
in sick headaches arising from this condition. Useful in acidity of the
stomach. Good for gas in the stomach. It is good as a local application to
enlarged acute tonsils applied in powder. It is also used in preparing
different articles of food. The best to get is the bicarbonate of soda at
a drug store.

SULPHUR.--This is an important constituent in certain native mineral
waters. On the bowels it acts as a mild laxative. It is very good in
certain skin diseases and for itch in the form of an ointment it is often
used. It is useful in chronic acne, and for lice, itch, barber's itch,
etc. It is frequently used as a disinfectant after infectious diseases.
Burning sulphur in a room destroys bed-bugs, chicken lice, etc.

TURPENTINE (Terebinthina).--Uses. It is a valuable counter-irritant in
peritonitis, bronchitis, pneumonia, lumbago, pleurodynia, etc. Turpentine
stupes are frequently used in abdominal inflammation, for flatulence and
for bloating in typhoid fever. It is a valuable constituent of a great
many liniments. Used in excess it produces bloody urine, painful urination
and inflammation of the kidneys. The free use of barley water, hot bath
and purgative relieve its bad effects.

VASELIN.--Under the name of Petrolatum is sold a semi-solid substance
derived from certain kinds of petroleum called cosmoline or vaselin. It
has very soothing powers and does not become rancid and is used as a
soothing dressing in sores, boils, and skin affections. It is frequently
used as a base for ointments. Fluid or liquid petrolatum is much used now
in the form of a spray in the treatment of acute and chronic catarrh and
after irritant applications to the nasal cavities. It is put up now in
tubes and is much cleaner and purer. It is very soothing and healing when
used in this pure form.

ALCOHOL (Spirit of Wine).--Alcohol is a liquid composed of ninety-one per
cent by weight of ethylic alcohol and of nine per cent by weight of water.
Alcohol dissolves alkaloids, fatty and resinous substances, and is largely
used as a menstruum in obtaining the active principles of drugs in an
available form for administration. It is the basis for spirits, tinctures
and elixirs; spirits being solutions of volatile substances in alcohol;
tinctures, solutions of active principles of plants, generally obtained by
maceration and percolation. An elixir is a cordial fl