Concentrated lotions containing a large proportion of this acid have been given in error, with poisonous results.


Unless somewhat dilute, the symptoms are those of corrosive acids (p. 46), when colicky pains, inflammation of the tongue and buccal membranes, sore lips and gums are manifested, and occasion inappetence and refusal of food, and discharge of saliva from the mouth.


Solutions of alkaline bicarbonates should be given internally, and a soothing wash of glycerine, myrrh, and borax applied to the mouth three or four times a day.