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
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**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
*May have delayed anaphylaxis (3-6h) to red meat from IgE Ab to glycoprotein in meat of mammals, w/ negative allergy skin test
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*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==
 
==Differential Diagnosis==
 
{{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]]
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==External Links==
 
==External Links==
  
==Sources==
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==References==
 
*Hall J, Khan Sajid Small Bugs with Big Bites, EM Resident Oct/Nov 2014 Vol 4:5; 10
 
*Hall J, Khan Sajid Small Bugs with Big Bites, EM Resident Oct/Nov 2014 Vol 4:5; 10
 
*http://www.cdc.gov/stari/symptoms/index.html
 
*http://www.cdc.gov/stari/symptoms/index.html

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