Sodium Arsenate.
Sozoiodole-Potassium.
Starch Poultice.
Sulphides or Sulphur: internally, and as baths; but not in acute stage.
Sulphur Iodide.
Tannin Glycerite: after removal of the scales; or tar, or other ointment, may be required to complete cure.
Tannoform.
Tar: ointment; and internally as pill or capsule in very chronic form.
Thymol.
Thyraden.