Acid, Carbolic: strong solution locally to aphthæ.

Acid, Hydrochloric: concentrated in gangrenous stomatitis; dilute in mercurial, aphthous, etc.

Acid, Nitric.

Acid, Nitrohydrochloric: as gargle or internally in ulcerative stomatitis.

Acid, Salicylic: one part in sufficient alcohol to dissolve, to 50 of water, in catarrhal inflammation to ease the pain.

Acid, Sulphurous.

Acid, Tannic.

Alcohol: brandy and water, a gargle in mercurial and ulcerative stomatitis.

Alum, or Burnt Alum: locally in ulcerative stomatitis.

Argentic Nitrate: in thrush locally.