1. The theory that disease may be cured by a product of the disease: An example of isopathy can be exemplified by the belief that small-pox can be cured by application of the variolouss matter.
2. The popular notion that disease in a particular organ may be cured by eating the same organ of a healthy animal: Sam read an article in the newspaper about isopathy in which a person ate part of a healthy animal to cure the ailment of the similar organ in his own body.
3. A method of treating disease by administering products of the disease or portions of the affected organ: Isopathy is a form of homeopathy in which it is believed by some people that a cure can be obtained by using a part of the infected organ.