Southern tick-associated rash illness: Difference between revisions

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== Microbiology ==
==Microbiology==


* Unknown; although ''Borrelia lonestari'' has been proposed as the causative organism, this has not been confirmed
*Unknown; although ''Borrelia lonestari'' has been proposed as the causative organism, this has not been confirmed


== Epidemiology ==
==Epidemiology==


* Transmitted by the Lone star tick, ''Amblyomma americanum'', with a presumed deer reservoir
*Transmitted by the Lone star tick, ''[[Vector::Amblyomma americanum]]'', with a presumed deer reservoir
* Present in southern and south-east US
*Present in southern and south-east US


== Clinical Presentation ==
==Clinical Manifestations==


* Incubation period of 6 to 9 days
*Incubation period of [[Usual incubation period::6 to 9 days]]
* Erythema migrans, similar to Lyme disease
*[[Causes::Erythema migrans]], similar to [[Lyme disease]]


=== Coinfections ===
===Coinfections===


* Human monocytic ehrlichiosis
*[[Human monocytic ehrlichiosis]]
* Heartland virus
*[[Heartland virus]]
* Q fever
*[[Q fever]]


== Differential Diagnosis ==
==Differential Diagnosis==


* Lyme disease
*[[Lyme disease]]


== Management ==
==Management==


* Reasonable to treat similarly to Lyme disease
*Reasonable to treat similarly to Lyme disease
* Doxycycline for 10 to 30 days, or amoxicillin, or cefuroxime
*[[Is treated by::Doxycycline]] for 10 to 30 days, or [[Is treated by::amoxicillin]], or [[Is treated by::cefuroxime]]
* Longer treatment favoured for signs of disseminated disease
*Longer treatment favoured for signs of disseminated disease


[[Category:Vector-borne infections]]
[[Category:Vector-borne infections]]

Latest revision as of 13:40, 5 August 2020

Microbiology

  • Unknown; although Borrelia lonestari has been proposed as the causative organism, this has not been confirmed

Epidemiology

  • Transmitted by the Lone star tick, Amblyomma americanum, with a presumed deer reservoir
  • Present in southern and south-east US

Clinical Manifestations

Coinfections

Differential Diagnosis

Management

  • Reasonable to treat similarly to Lyme disease
  • Doxycycline for 10 to 30 days, or amoxicillin, or cefuroxime
  • Longer treatment favoured for signs of disseminated disease