Caustic.
Chloral Hydrate.
Cocaine: to allay the pain.
Collodion: painted over whole surface to abort papular stage. Over base, leaving centre free, in pustular stage.
Counter-irritation: by plasters surrounding the boil.
Gaduol: as alterative.
Ichthalbin: internally.
Ichthyol: topically.
Lead Subacetate Solution.
Levico Water: as alterative.