Alum: in powder by insufflation, or in solution by douche.
Ammonia: inhalation.
Ammonium Chloride: in thick and abundant secretion.
Asafetida: stimulant expectorant.
Balsam of Peru: stimulant expectorant.
Bismuth Subnitrate.
Bromine: as vapor, inhaled with great caution.
Calomel.
Camphor.
Cocaine.