Then come the motor symptoms, with drop-wrist and drop-foot. The patient
suffers severely from neuritis, and there may be early loss of patellar
reflex. The nervous symptoms come on later than the cutaneous
manifestations.
_Post-Mortem Appearances._--Signs of acute inflammation of stomach,
duodenum, small intestines, colon, and rectum. Stomach may contain dark
grumous fluid, and its mucous coat presents the appearance of crimson
velvet. Ulceration is rare, and cases of perforation still less common,
the patient dying before it occurs. If life has been preserved for some
days, there is extensive fatty degeneration of the organs. There may be
entire absence of _post-mortem_ signs. Putrefaction of the body is
retarded by arsenic.
_Treatment._--The stomach-pump, emetics, then milk, milk and eggs, oil
and lime-water. Inflammatory symptoms, collapse, coma, etc., must be
treated on ordinary principles. As an antidote, the best when the poison
is in solution is the hydrated sesquioxide of iron, formed by
precipitating tinctura ferri perchloridi with excess of ammonia, or
carbonate of soda. This is filtered off through muslin and given in
tablespoonful doses.
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