Southern tick-associated rash illness

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

Evaluation

  • No testing available

Management

Disposition

  • Home

See Also

References

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