August 30, 2016
font size

Definition of Southern tick-associated rash illness

Southern tick-associated rash illness: A disease characterized by a rash like that in Lyme disease, recognized in the southeastern and south-central US, associated with the bite of the lone star tick, Amblyomma americanum. The tick transmits the agent of the disease, a spirochete named Borrelia lonestari. The rash is red and expands with central clearing (the rash of erythema migrans). Treatment is with antibiotics.

Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/14/2012

Drug Medical Dictionary of Terms by Letter

Top RxList Drug News

Women's Health

Find out what women really need.

Use Pill Finder Find it Now See Interactions

Pill Identifier on RxList

  • quick, easy,
    pill identification

Find a Local Pharmacy

  • including 24 hour, pharmacies

Interaction Checker

  • Check potential drug interactions
Search the Medical Dictionary for Health Definitions & Medical Abbreviations