Tertiary Lyme disease is a late, persistent inflammatory disease characterized by skin changes, neurological and musculoskeletal symptoms caused by the bacterium Borrelia burgdorferi transmitted by the bite of a tick. Tertiary Lyme disease is indicated by chronic arthritis.
Review Date 1/31/2018
Updated by: Jatin M. Vyas, MD, PhD, Assistant Professor in Medicine, Harvard Medical School; Assistant in Medicine, Division of Infectious Disease, Department of Medicine, Massachusetts General Hospital, Boston, MA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.