Sulphonal Trional Tetronal Veronal Paraldehyde
These are dangerous drugs. The ordinary symptoms of the group are
noises in the ears, headache, vertigo, inability to stand or to walk
properly, insensibility, and cyanosis.
The most interesting point is the condition of the urine. In cases of
poisoning it is dark or reddish-brown in colour, due to the presence of
hæmatoporphyrin. It contains albumin and casts, but no red corpuscles.
In cases of hæmatoporphyrinuria the prognosis is bad, and it is said
that these cases invariably end fatally.
Treatment.--In an ordinary case emetics, strong coffee, hypodermic
injections of strychnine, saline injections, and transfusion.
Cases of chronic poisoning from the 'als' are not uncommon, and are
increasing in frequency. Hypnogen is apparently identical with veronal.
All the above-named aniline derivatives are included in Part I. of the
scheduled poisons.
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