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Toxicity of Boric Acid.
—By some authors boric acid is considered not more toxic than table salt, and it has been extensively employed as a disinfectant in the preparation and canning of foods. That it is occasionally poisonous has been recently demonstrated in the journals, and now we have the communication of Dr. G. Lemoine (Gazette de Paris) describing four additional cases. The first case was that of a paralytic, with a bed-sore that was dressed with a powder containing boric acid; on the fifth day there appeared an eruption which gradually covered the whole body. The temperature rose, pulse frequent, severe headache, sleeplessness and delirium, with vomiting. After changing the dressing there was improvement in all the symptoms, and at the end of the sixth day the eruption had disappeared. After some days the boric acid was again employed, and was followed by similar symptoms that disappeared after its
MEDICAL PROGRESS.. JAMA. 1890;XV(12):431-434. doi:10.1001/jama.1890.02410380019002