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Definition of Horror autotoxicus
Medically reviewed by Min Clinic Staff | Updated: January 2026
Horror autotoxicus: Literally, the horror of self-toxicity. A term coined by the great German bacteriologist and immunologist Paul Ehrlich (1854-1915) to describe the body's innate aversion to immunological self-destruction. However, as we now know, the immune system can upon occasion attack itself and does so in the autoimmune disorders.