EM Rash
The bullseye (EM, or Erythema Migrans) rash is an early symptom of Lyme
disease. Lyme disease is caused by the bite of an infected tick. Proper
treatment with antibiotics is mandatory. If untreated, Lyme disease may
progress to a chronic stage that can be disabling and difficult to cure.
Link to LymeNet home page.
Link to Frank Demarest home page.