Feeling worse before you feel better? It might be a Herx. Also called a Jarisch Herxheimer reaction, herxing happens when Lyme microbes are killed off and release toxins into your system, sparking a Feeling worse before you feel better? It might be a Herx. Also called a Jarisch Herxheimer reaction, herxing happens when Lyme microbes are killed off and release toxins into your system, sparking a Fear of a Herxheimer Reaction in Lyme Disease: What to Expect Breaking the Cycle: IV Therapy's Role in Chronic Lyme Meeting Point Health Lyme Disease Doctor Greenland NH Vibrant Health Lyme Disease Symptoms & Treatment Options LIVV Natural