• S Krischer, H Ott, M Barker, J Frank, and S Erdmann.
• Universitätskinderklinik der RWTH Aachen. skrischer@ukaachen.de
• Klin Padiatr. 2004 Jul 1; 216 (4): 236-7.

BackgroundBorreliosis is the most common vector transmitted disease in childhood. Although the disease manifests with an erythema migrans in 80 % of the patients, multilocular skin manifestations are only observed in 2-18 % of these. Differential diagnoses of erythema migrans include erysipelas, persistent insect bite reaction, and fixed drug eruption, in particular when the clinical history does not reveal a tick bite.PatientWe report on a 5-year-old boy showing nine erythemas with central pallor on his face, trunk, arms and legs. He recalled a tick bite 3 weeks before.ResultsSerological studies revealed an acute infection with Borrelia burgdorferi. After antibiotic treatment with orally administered amoxicillin skin manifestations resolved within three days. During a follow-up period of six months the patient revealed no signs of persistent borreliosis.ConclusionMultilocular erythema migrans is a possible manifestation of borreliosis and is classified as disseminated early infection which is frequently associated with systemic reactions, including malaise, arthritis, carditis, headache and even meningeal signs. Treatment is based on antibiotics, which should preferably be given intravenously in case of systemic signs.

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