Difference between revisions of "Southern tick-associated rash illness"

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==Background==
 
==Background==
*STARI (Southern tick-associated rash illness)
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[[File:Amblyomma americanum tick.jpg|thumb|Amblyomma americanum]]
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*Abbreviation: STARI
 
*Transmitted by lone star tick (Amblyomma americanum)
 
*Transmitted by lone star tick (Amblyomma americanum)
 
**female tick has single white dot or "lone star" on its back, aggressive feeders
 
**female tick has single white dot or "lone star" on its back, aggressive feeders
 
*May be caused by spirochete Borrelia lonestari
 
*May be caused by spirochete Borrelia lonestari
 
*Midwest and Mid-Atlantic states
 
*Midwest and Mid-Atlantic states
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==Clinical Features==
 
==Clinical Features==
 
*Resembles Lyme disease in rash, constitutional symptoms, time course
 
*Resembles Lyme disease in rash, constitutional symptoms, time course
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{{Tick borne illnesses DDX}}
 
{{Tick borne illnesses DDX}}
  
==Workup==
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==Evaluation==
 
*No testing available
 
*No testing available
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==Management==
 
==Management==
 
*10 days of [[doxycycline]] or [[amoxicillin]]
 
*10 days of [[doxycycline]] or [[amoxicillin]]

Revision as of 18:14, 17 September 2017

Background

Amblyomma americanum
  • Abbreviation: STARI
  • Transmitted by lone star tick (Amblyomma americanum)
    • female tick has single white dot or "lone star" on its back, aggressive feeders
  • May be caused by spirochete Borrelia lonestari
  • Midwest and Mid-Atlantic states

Clinical Features

  • Resembles Lyme disease in rash, constitutional symptoms, time course
  • May have delayed anaphylaxis (3-6h) to red meat from IgE Ab to glycoprotein in meat of mammals, with negative allergy skin test

Differential Diagnosis

Tick Borne Illnesses

Evaluation

  • No testing available

Management

Disposition

  • Home

See Also

External Links

References