Treating Strumous Ulceration With Kalium (Potassium)

In strumous ulceration of superficial and indolent character, with livid undermined edges, and affecting extensive surfaces on the trunk or extremities, caustic potash lightly applied to the margin often stimulates to satisfactory healing.

Treating Strumous Ulceration With Natrium (Sodium)

For destroying unhealthy growths, the edges of strumous ulceration, etc., caustic soda has been sometimes used. It is less deliquescent than potash, but yet is very diffusible, and readily extends its action: it therefore requires the precaution of protecting adjacent parts, and of neutralizing with weak vinegar or oil after application.