...................\
White Lead..................... Epsom Salts, Castor Oil, Emetics.
Sugar of Lead................../
Goulard's Extract............./

Copper
Blue-stone .................... Whites of Eggs, Sugar-and-Water,
Verdigris...................... Castor Oil, Gruel.

Zinc .......................... Lime-Water, Chalk-and-Water,
Soap-and-Water.

Iron .......................... Magnesia, Warm Water.

Henbane........................\
Hemlock........................ Emetics and Castor Oil;
Nightshade..................... Brandy-and-Water, if necessary.
Foxglove......................./

Poisonous Food................. Emetics and Castor Oil.

2648. The symptoms of poisoning may be known for the most part from
those of some diseases, which they are very like, from the fact of their
coming on _immediately_ after eating or drinking something; whereas
those of disease come on, in most cases at least, by degrees, and with
warnings. In most cases where poison is known, or suspected, to have
been taken, the first thing to be done is to empty the stomach, well and
immediately, by means of mustard mixed in warm water, or plain warm
salt-and-water, or, better, this draught, which we call No. 1:--Twenty
grains of sulphate of zinc in an ounce and a half of water. This draught
to be repeated in a quarter of an hour if vomiting does not ensue. The
back part of the throat should be well tickled with a feather, or two of
the fingers thrust down it, to induce vomiting. The cases where vomiting
must not be used are those where the skin has been taken off, and the
parts touched irritated and inflamed by the poison taken, and where the
action of vomiting would increase the evil. Full instructions are given
in the article on each particular poison as to where emetics are or are
not to be given. The best and safest way of emptying the stomach is by
means of the stomach-pump, as in certain cases the action of vomiting is
likely to increase the danger arising from the swollen and congested
condition of the blood-vessels of the head, which often takes place. In
the hands, however, of any one else than a surgeon, it would be not only
useless, but harmful, as a great deal of dexterity, caution, and
experience are required to use it properly. After having made these
brief introductory remarks, we shall now proceed to particulars.

2649. _Sulphuric Acid, or Oil of Vitriol_ (a c