This section is from the book "A Treatise On The Materia Medica And Therapeutics Of The Skin", by Henry G. Piffard. Also available from Amazon: A Treatise On The Materia Medica And Therapeutics Of The Skin.
D. Eczema rubrum (Dubois), 26, 254.
The fresh root very healing in cancerous and old ulcers, 23, 1: 387. Calms the pains of cancer and old ulcers, 49, 2: 239. Ulcers, 34, 1: 24; 48, 2: 161; and many others. Sloughing ulcers, Walker.*
If carrots possess half the efficacy attributed to them by the older writers, they certainly deserve more extensive employment. The fresh root should be grated or scraped and applied as a poultice.
 
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