=Opium.=—Stomach-pump or emetic; repeated lavage; black coffee enema; potassium permanganate (5 gr.) in tumblerful of water, or tannic acid as an antidote; keep patient awake with cold affusions or electric brush; artificial respiration; respiratory stimulants—atropin, ammonia, strychnin, cocain, caffein. =Phenacetin.=—Same as Acetanilid. =Phosphorus.=—Copper sulphate as an emetic; dilute peroxid of hydrogen or potassium permanganate as an antidote; Epsom salt as a purge; _avoid all oils and fatty substances_. =Potassa or Soda (Lye).=—Vinegar or lemon-juice as an antidote; oils or egg-white; opium. =Ptomain Poisoning.=—Empty the stomach by means of the stomach-pump or by an emetic. Apply a hot-water bag to the abdomen. Give opium or morphin to allay the pain and check diarrhea. Give a large dose of castor oil. =Rat Poison.=—This usually contains arsenic or phosphorus (q. v.). =Silver Nitrate.=—Solution of common salt as antidote; emetic; demulcent drinks. Silver nitrate stains on the skin may be whitened and their removal much expedited by the application of a solution made according to the following formula: Mercury bichlorid, gr. v; Ammonium chlorid, gr. v; Aqua, ʒij. =Stramonium.=—Same as Belladonna. =Strychnin.=—Absolute quiet; if convulsions have begun, do not use stomach-pump unless the patient first be etherized; tannic acid as antidote; inhalations of chloroform or amyl nitrite for convulsions; potassium bromid (ʒj) and chloral (gr. xxx) by mouth or rectum. =Tobacco.=—Emetic; external heat; stimulants. ANTIDOTES. 1. =Albumen, Egg-white.=—Dissolve 4 egg-whites in 1 quart of warm water. 2. =Milk, Fatty Oils, Mucilaginous Substances.=—Substitutes for albumen. 3. =Castile Soap.=—Dissolve in plenty of water; substitute for albumen. 4. =Tannic Acid, Coffee, Tea.=—To precipitate various alkaloids. 5. =Vinegar, Diluted Mineral Acids.=—To neutralize alkalies and alkaline salts. 6. =Emetics.=—(1) Zinc sulphate, grs. v-xv, repeated twice if necessary at fifteen-minute intervals, or until emesis is produced. (2) Mustard, ʒj-iv, stirred to a cream with warm water. (3) Ipecac, gr. xv; repeat if necessary in fifteen minutes. (4) Tartar emetic, gr. ½, in sweetened water for children. _Note._—In all poison cases loosen clothing instantly and permit free circulation of fresh air; protect body with warm blankets; do not use pump or give emetics if acid has been taken in concentrated form; secure necessary drugs so that medication may be given at once upon direction of physician in charge.