definition
A deep type of gyrate erythema that follows a bite by an ixodid tick; it is a stage-1 manifestation of LYME DISEASE. The site of the bite is characterized by a red papule that expands peripherally as a nonscaling, palpable band that clears centrally. This condition is often associated with systemic symptoms such as chills, fever, headache, malaise, nausea, vomiting, fatigue, backache, and stiff neck.
synonyms
Erythema Chronicum Migrans
UMLS
ECM - Erythema chronic migrans, ECM - Erythema chronicum migrans, Erythema chronica migrans, Erythema Chronicum Migrans, Erythema, chronicum migrans, Erythema, migrans, chronicum