Chloroform or Ether (inhaled).—Fresh air. Pull tongue forward, and begin artificial respiration. If heart has stopped, strike chest two or three times over region of heart.

Chloroform or Ether (swallowed).—Emetic; enema of hot coffee; keep awake. If necessary, artificial respiration.

Copper.—Emetic, white of egg to follow.

Laudanum.—There is intense drowsiness and contraction of pupils of eye. Give an emetic and plenty of strong coffee. Walk patient up and down. On no account allow him to give way to the desire for sleep.

Mineral Acids and Glacial Acetic.—If any neutralising agent, such, e.g., as lime, chalk, soda, or calcined magnesia, is at hand, give it at once. Or give an emetic, followed by oil or milk and water.

Mushrooms.—Emetic; castor oil and enema.

Nicotine (tobacco).—Emetic; stimulate and keep warm; keep patient lying down.

Oxalic Acid.—Neutralise by chalk or lime water, but not by soda or any alkali. Give plenty of water; apply hot fomentations to loins.

Phosphorus.—Often caused by children sucking matches. There is a burning in the throat, and often vomiting. Give an emetic. After this some barley water or milk may be given.

Prussic Acid.—Almost hopeless. Emetic; artificial respiration.