of the pupils, delirium, coma, and
convulsions. Treatment: Mustard over the stomach, and brandy and
ammonia.

MERCURY.--CORROSIVE SUBLIMATE (bug poisons frequently contain this
poison), RED PRECIPITATE, CHINESE OR ENGLISH VERMILLION.--Symptoms:
Acrid, metallic taste in the mouth, immediate constriction and burning
in the throat, with anxiety and tearing pains in both stomach
and bowels, sickness, and vomiting of various colored fluids, and
sometimes bloody and profuse diarrhoea, with difficulty and pain
in urinating; pulse quick, small and hard; faint sensations, great
debility, difficult breathing, cramps, cold sweats, syncope and
convulsions. Treatment: If vomiting does not already exist, emetics
must be given immediately--albumen of eggs in continuous large doses,
and infusion of catechu afterwards, sweet milk, mixtures of flour and
water in successive cupfuls, and to check excessive salivation put a
half ounce of chlorate of potash in a tumbler of water, and use freely
as a gargle, and swallow a tablespoonful every hour or two.

MONKSHOOD.--See Arnica.

MORPHINE.--See Opium.

NITRATE OF SILVER (LUNAR CAUSTIC.)--Symptoms: Intense pain and
vomiting and purging of blood; mucus and shreds of mucus membranes;
and if these stand they become dark. Treatment: Give freely of a
solution of common salt in water, which decomposes the poison, and
afterwards flax-seed or elm bark tea, and after a while a dose of
castor oil.

NUX VOMICA.--See Strychnine.

OPIUM AND ALL ITS PREPARATIONS--MORPHINE, LAUDANUM, PAREGORIC,
ETC.--Symptoms: Giddiness, drowsiness, increasing to stupor, and
insensibility; pulse usually, at first, quirk and irregular,
and breathing hurried, and afterwards pulse slow and feeble, and
respiration slow and noisy; the pupils are contracted and the eyes and
face congested, and later, as death approaches, the extremities become
cold, the surface is covered with cold, clammy perspiration, and
the sphincters relax. The effects of opium and its preparations,
in poisonous doses, appear in from a half to two hours from its
administration. Treatment: Empty the stomach immediately with an
emetic or with the stomach pump. Then give very strong coffee without
milk; put mustard plasters on the wrist and ankles; use the cold
douche to the head and chest, and if the patient is cold and sinking
give brandy, or whisky and ammonia. Belladonna is thought by many to
counteract the poisonous effects of opium, and may be gi