Acid, Carbolic: injection into piles.
Acid, Chromic.
Acid, Gallic.
Acid, Nitric: as caustic; dilute as lotion.
Acid, Salicylic.
Acid, Tannic.
Alkaline Mineral Waters: useful.
Aloes: as purgative.
Alum: in bleeding piles; powder, crystal or ointment.
Argentic Nitrate.