If there is much pain, ten drops or more of chlorodyne or laudanum may be added.
* Goa powder.—See [Araroba].
* Goulard water.—For external use only. Is astringent, and may be used as a lotion for inflamed joints. Is also useful as an injection in gonorrhœa and gleet, as a soothing lotion in herpes, shingles, eczema, discharge from the ear, and itching and chafes of all kinds. It should not be used as an eye lotion.
Goulard water is made by adding one part of Liquor Plumbi Subacetatis Fortis, or Goulard Extract, and one of alcohol to seventy-eight of water.
One of the tablets of the subacetate of lead added to a quarter of a pint of water (distilled when convenient) makes a solution similar to Goulard water.
Gum acacia is used for forming a mucilage with which to suspend such drugs as carbonate of bismuth. One part of gum to three of water should be made and strained before use. Starch may be used for the same purpose.
Hazeline.—Dose, thirty to one hundred and twenty drops. It is a powerful astringent. May be applied freely to bleeding parts, such as the nose, gums, piles, or small wounds. One tablespoonful of hazeline to five of water may be injected into the bowel for bleeding piles. Hazeline snow is an elegant preparation for sunburn and other skin affections.
Ichthyol.—An ointment containing twenty per cent. of ichthyol is very soothing in most skin diseases, such as eczema and psoriasis. The ointment is of service in reducing the pain and swelling of mosquito bites.
Iodide of potassium.—Dose, five to ten grains in the later stages of syphilis.
* Iodine, tincture of.—Dose, two drops in a teaspoonful of water; given every hour, is most valuable for obstinate vomiting.