Part 80 (1/2)

These are given to correct acidity in the system. They are soda, ammonia, chalk, and magnesia.

774. Soda, Carbonate of, and Sesquicarbonate of Soda

Soda, Carbonate of, and Sesquicarbonate of Soda, are antacids and deobstruents.

They are _used internally_ in acidity of the stomach and dyspepsia.

_Dose_ of both preparations, from 10 grains to half a drachm.

775. Antalkalies.

These are given to neutralize an alkaline state of the system. They are citric acid, lemon juice, and tartaric acid.

776. Citric Acid

Citric Acid is used to check profuse sweating, and as a subst.i.tute for lemon juice when it cannot be procured.

_Dose_, from ten to thirty grains.

777. Tartaric Acid

Tartaric Acid, when largely diluted, forms an excellent refrigerant beverage and antalkali. It enters into the composition of extemporaneous soda and Seidlitz waters.

_Dose_, from ten to thirty grains.

778. Escharotics.

These are remedies used to destroy the vitality of a part. They comprise lunar caustic, bluestone, and solution of chloride of zinc.

779. Bluestone, or Sulphate of Copper

Bluestone, or Sulphate of Copper, is used in a solution of from four to fifteen grains to the ounce of water, and applied to foul and indolent ulcers, by means of rag dipped in it. It is rubbed in substance on fungous growths, warts, &c., to destroy them.

_Caution_.--It is a poison.

780. Lunar Caustic; or Nitrate of Silver

Lunar Caustic; or Nitrate of Silver, is an excellent remedy in erysipelas when applied in solution (one drachm of the salt to one ounce of water), which should be brushed all over the inflamed part, and for an inch beyond it. This blackens the skin, but it soon peels off. To destroy warts, proud flesh, and unhealthy edges of ulcers, &c., it is invaluable; and as an application to bed sores, pencilled over with a solution of the same strength, and in the same manner as for erysipelas.

_Caution_.--It is a poison.

781. Solution of Chloride of Zinc,