FELONS. — Liquor potassm has been used externally in the treatment of felons. The undiluted solution, painted on the felon every hour or two in its early stages, in many cases will abort it. Poul tices containing a considerable quantity of unleached wood-ashes is used for the same purposes by the laity, with good results.
In a diluted form, liquor potassm is used in cutaneous affections character ized by acid secretions and to remove crusts, etc.
Potassium bichromate, another mem ber of this group, is used in saturated solutions for the removal of corns, warts, venereal vegetations, and mucous patches.
Potassium bichromate used with good results in treatment of warts, which are to be painted once a day with a satu rated solution in boiling water. A cer tain amount of bichromate is precipi tated when the solution cools, and this should be discarded and the liquid ap plied cool. Louvel-Dulongpre (Treat
ment, vol. i, No. 15, p. 356).
In a 1-per-cent. solution it is an astrin gent and deodorizer. This salt is used in the preparation of the battery-fluid used in zinc-and-carbon batteries, and is made as follows: 6 ounces of this salt are dissolved in 3 pints of water, and 6 fluidounces of commercial sulphuric acid are very slowly added to the solution. Ithiller's fluid, used for the preservation of anatomical and pathological speci mens, is composed of 3 parts of potas sium bichromate, 1 part of sodium sul phate, and 100 parts of water.
Systemic Antacids.—The members of this group are used to neutralize an ex cess of acidity acting locally in the ali mentary canal or through the blood upon systemic disorders due to or aggravated by the presence of undue acidity.