Erythema Chronicum Migrans in Lyme Disease
A 34-year-old man experienced fever and arthralgia several days after appearance of the rash.
Lyme Disease
A 34-year-old man experienced feverand arthralgia several days afterappearance of the rash shown here(A). He did not recall being bittenby a tick, as is often the case withpersons who contract Lyme disease.