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QQ DENTAL MEDICINE. ; ;
HYOSCYAMUS.
Symptoms.—A feeling of giddiness, followed by delirium ; dilated
fullness about the head
pupils ; ; drowsiness ; cold perspiration ;
paralysis ; exhaustion ; death.
Antidotes.—Stomach pump ; emetics ; stimulants, external and
internal ; lemon juice ; strong coffee.

IODINE.
Symptoms.—In extreme cases, violent vomiting and purging
fever and excessive thirst palpitation of heart ; cramps ; small
;
and frequent pulse ; occasional dry cough ; and when death en-
sues, it is probably due to gastro-enteritis. In excessive doses, it
acts as an irritant poison, giving rise to such symptoms as rest-
lessness ; burning sensation ; palpitation ; violent priapism ; fre-
quent pulse; excessive thirst; extreme diarrhoea; trembling;
extreme emaciation, and sometimes syncope.
Antidotes.— Emetics and demulcent drinks ; starch or flour
diffused in water; albumen; milk; opium and external heat.
LEAD SALTS.
Symptoms.—A dry and constricted throat; pain in stomach
and bowels; colic; paralysis of extensor muscles; apoplectic
symptoms.
Antidotes.—Any soluble sulphate, either magnesia or soda
Epsom salts, followed by emetics, and afterwards opium and
milk; iodide of potassium.

MORPHINE {See Opium).
MERCURY.
When in the form of the bichloride (corrosive sublimate), or
nitrate of mercury, see corrosive sublimate.

NUX VOMICA.
Symptoms.—Spasmodic twitching of muscles ; violent move-
ment of limbs ; tetanic spasms ; dyspnoea ; death.
Antidotes.—Thirty grains of choral and 60 grains of bromide
of potassium. Nitrate of amy 1.