Ammonium Carbonate: stimulant expectorant.
Ammonium Chloride: stimulant expectorant.
Ammonium Iodide: small doses frequently repeated; value increased by the addition of arsenic.
Apomorphine Hydrochlorate.
Asafetida: like ammoniac.
Astringents.
Cod-liver Oil.
Copaiba: stimulant expectorant; to be given in capsules.
Creosote.
Cubebs: like copaiba.