Southern tick-associated rash illness: Difference between revisions
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==Background== | ==Background== | ||
*STARI | [[File:Amblyomma americanum tick.jpg|thumb|Amblyomma americanum]] | ||
*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 | ||
==Clinical Features== | ==Clinical Features== | ||
*Resembles Lyme disease in rash, constitutional symptoms, time course | [[File:STARI Rash.jpg|thumb|"Bull's-eye" STARI rash]] | ||
*May have delayed anaphylaxis (3-6h) to red meat from IgE Ab to glycoprotein in meat of mammals, | *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== | ==Differential Diagnosis== | ||
{{Tick borne illnesses DDX}} | {{Tick borne illnesses DDX}} | ||
== | ==Evaluation== | ||
*No testing available | *No testing available | ||
==Management== | ==Management== | ||
*10 days of [[doxycycline]] or [[amoxicillin]] | *10 days of [[doxycycline]] or [[amoxicillin]] | ||
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==External Links== | ==External Links== | ||
== | ==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 | ||
Latest revision as of 19:49, 9 September 2020
Background
- 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
- Babesiosis
- Colorado tick fever
- Ehrlichiosis
- Heartland virus
- Lyme
- Murine typhus
- Rocky mountain spotted fever
- Southern tick-associated rash illness (STARI)
- Tick paralysis
- Tularemia
Evaluation
- No testing available
Management
- 10 days of doxycycline or amoxicillin
- No evidence this is beneficial, but commonly given
Disposition
- Home
See Also
External Links
References
- 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