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Colorado tick fever - Symptom

Alternative Names

Mountain tick fever; Mountain fever; American mountain fever

Symptoms:

Symptoms of Colorado tick fever start 3 to 6 days after getting the tick bite. A sudden fever continues for 3 days, goes away, then comes back 1 to 3 days later for another few days. Other symptoms include:

  • Generalized weakness
  • Headache behind the eyes
  • Muscle aches
  • Nausea and vomiting
  • Rash (may be light-colored)
  • Sensitivity to light ( photophobia)
  • Skin pain
  • Sweating

Signs and tests:

Tests are done to confirm the infection. These may include:

  • Complement fixation antibody test
  • Immunofluorescence antibody test

Other blood tests may include:

  • Reviewed last on: 9/15/2010
  • David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; Jatin Vyas, MD, PhD, Assistant Professor in Medicine, Harvard Medical School; Assistant in Medicine, Division of Infectious Disease, Department of Medicine, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Naides SJ. Arthropod-borne viruses causing fever and rash syndromes. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007: chap 405.

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