What is the prognosis of Colorado tick fever?

Updated: Aug 05, 2019
  • Author: Shawn J Sethi, DO; Chief Editor: Jeter (Jay) Pritchard Taylor, III, MD  more...
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The prognosis for patients with Colorado tick fever is excellent, even in cases complicated by neurologic symptoms. Although prompt recovery is the expected outcome, rare fatalities have been reported. Complications seem to occur more frequently in children than in adults and most often in patients whose conditions are diagnosed late.

Severe disseminated intravascular coagulation and thrombocytopenia have been recorded in these fatal cases, along with pathologic changes in the myocardium, brain, and lungs. However, undiagnosed co-infection with Rocky Mountain spotted fever may be responsible for such complications. Prolonged weakness has also been reported in adults older than 30 years.

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