What is Herxing?: An In-Depth Look at the Jarisch-Herxheimer Reaction
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4 min read
First documented in the late 19th century while treating syphilis, the Jarisch-Herxheimer reaction, or herxing, is a temporary flare-up of symptoms that can occur after starting antimicrobial therapy. This phenomenon can be alarming but is often considered an indication that the treatment is effectively killing off the targeted pathogens.
