Hydrogen Peroxide: to wash out cavity of tubercular or slow abscess.
Ice: after opening.
Iodine: as injection into the sac, and internally to cause absorption of products of inflammation.
Iodoformogen.
Iodoform Gauze: packed into cavity.
Iodole.
Lead Water.
Menthol: in ethereal solution 10 to 50 per cent., locally applied with camel's hair pencil.
Morphine.
Naphtalin.