Acid, Carbolic.
Acid, Hydrochloric: in small doses and as a local application.
Acids, Mineral: dilute solution as paint.
Acid, Nitric: in small doses.
Acid, Salicylic: as local application.
Acid, Sulphurous: well diluted as solution or spray.
Acid, Tannic.
Alum, Exsiccated: to aphthous ulcers which do not readily heal.
Argenti Nitras: locally.
Bismuth: as local application.