isopathy

[ī-sŏpə-thē]
n.
  1. The treatment of disease by means of the causal agent or a product of the same disease.
  2. The treatment of a diseased organ by the use of an extract from a similar organ of a healthy animal.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Examples from the Web for isopathy

Historical Examples of isopathy