_Post-Mortem._--If strong acid has been swallowed, the lips and mucous
membranes are hardened, whitened, and corrugated. In the stomach the
tops of the folds are whitened and eroded, while the furrows are
intensely inflamed.
_Treatment._--Soluble sulphates which form harmless sulpho-carbolates in
the blood should be administered at once. An ounce of Epsom salts or of
Glauber's salts dissolved in a pint of water will answer the purpose
admirably. After this an emetic of sulphate of zinc may be given. White
of egg and water or olive-oil may prove useful. Warmth should be applied
to the body.
_Fatal Dose._--One drachm, but recovery has taken place after much
larger quantities, if well diluted or taken after a meal.
_Tests_ are not necessary, as the smell of carbolic acid is
characteristic.
_Local action_ of carbolic acid produces anaesthesia and necrosis.
Accidents sometimes happen from too strong lotions applied as surgical
dressings.
=Lysol= is a compound of cresol and linseed-oil soap, and is much less
toxic than carbolic acid.
XV.--POTASH, SODA, AND AMMONIA
=Caustic Potash= occurs in cylindrical sticks, is soapy to the touch,
has an acrid taste, is deliquescent, fusible by heat, soluble in water.
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