Hydrogen Peroxide.
Ichthyol Vapors.
Iodine.
Ipecacuanha: must be fresh; if it does not succeed other emetics must be taken.
Jaborandi: beneficial in a few cases.
Lime Water: spray, most useful in adults.
Lobelia: has been used.
Mercury Cyanide.
Mercury Subsulphate: one of the best emetics; 3 to 5 grn., given early.
Papain.