What Is 'Herxing'? Understanding The Herxheimer Reaction During Healing

Herxing is slang for the Jarisch-Herxheimer Reaction — a temporary flare of symptoms that signals your body is actively eliminating harmful pathogens. From bloating to brain fog, the Herx reaction can feel alarming but is often a sign of progress. Discover how to tell the difference between a Herx reaction and worsening illness, and what steps to take.