# Jarisch-Herxheimer reaction

> English word · Noun

## Definitions
1. A dangerous reaction to endotoxin-like products released by the death of harmful microorganisms within the body during antibiotic treatment.

## Etymology
Named after the Austrian dermatologist Adolf Jarisch and the German dermatologist Karl Herxheimer.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/jarisch-herxheimer-reaction