Hydrargyri Perchloridum: epidermis is first removed by a blister and then a saturated solution applied; a poultice is then applied to separate the eschar, leaving a healthy ulcer.
Ice: to relieve pain and lessen inflammation.
Ichthyol.
Iodine: as counter-irritant applied round the bubo.
Iodoform: as local application.
Iodoformogen.
Iodole.
Lead Lotions: compresses soaked in these will abort, or assist in the healing process.
Mercury: as local application after opening bubo, when syphilitic affection is great.
Peroxide of Hydrogen: wash and dress bubo with lint soaked in it.