Nux Vomica: exceedingly useful in most forms along with mineral acids.
Opium: in sinking at the stomach partially relieved by food which, at the same time, produces diarrhea, a few drops of tincture before meals; with nux vomica in palpitation, etc.
Orexine Tannate: very potent.
Pancreatin: 11/2 or 2 hours after meals, very useful.
Papain.
Pepper: in atonic indigestion.
Pepsin: sometimes very useful with meals; and in apepsia of infants.
Picrotoxin.
Podophyllin: a cholagogue, used instead of mercury; useful along with nux vomica and mineral acids.
Potassa, Solution of.