The influence of potash upon oxidation, and upon the blood-condition, have led to its employment in cases of absorption of poisonous material.

Savory has found it of distinct value, not in acute, but in chronic pyaemia (Lancet, i., 1867, p. 202), and Sir James Paget records the disappearance of a chronic pyaemic abscess under the use of liquor potassae (St. Bartholomew's Hospital Reports, vol. i.).