Lyme borreliosis - PubMed

6 hours ago

Lyme borreliosis is the most common tick-borne disease in the northern hemisphere.
Caused by Borrelia burgdorferi sensu lato species transmitted via Ixodes ricinus complex ticks.
Earliest manifestation is erythema migrans skin lesion, appearing 7-14 days after a tick bite.
Untreated cases may progress to conditions like borrelial lymphocytoma, nervous system involvement, carditis, Lyme arthritis, or acrodermatitis chronica atrophicans.
Diagnosis of erythema migrans is clinical; other manifestations rely on serological testing.
Treatment with antibiotics resolves symptoms for most, though some experience prolonged subjective symptoms.
Repeated antibiotic courses are not beneficial except in rare cases of objective treatment failure.

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