Opium: as a suppository in severe acute vomiting, especially associated with obstinate constipation, which is relieved at the same time.
Orexine Tannate: a specific when simple, asthenic, or anemic anorexia the cause. Also, in incipient or chronic phthisis.
Oxygen Water.
Pepsin: in the vomiting of dyspepsia.
Peptonized Milk.
Podophyllin.
Potassium Iodide: in very small doses.
Potassium Nitrate.
Pulsatilla: in catarrh.
Quinine: in sympathetic vomiting.