Imported Relapsing Fever in European Tourists

Abstract
Two ‘imported’ cases of relapsing fever after a trip through Senegal are described. Two women developed a tick-borne relapsing fever after having slept outdoors on a terrace in Zinguichor, Senegal. The first patient was rapidly cured after a course of doxycycline. The second patient initially received erythromycin, but despite this treatment she developed neurological symptoms and Borrelia persisted in the thick-smear examination. After treatment with doxycycline she developed a Jarish-Herxheimer reaction. Treatment with doxycycline was continued and finally all symptoms disappeared within 36 hours after starting this treatment. A diagnosis of relapsing fever should be considered in all patients returning from the tropics with recurrent fever, especially if no malaria parasites are found.

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