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Colorado Tick Fever
Alternate Names : American Mountain Fever, Mountain Fever, Mountain Tick Fever
DefinitionColorado tick fever is an acute viral infection transmitted by the bite of the tickDermacentor andersoni.
Pictures & Images
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Overview, Causes, & Risk Factors
This disease is limited to the western US and is most prevalent from March to September, with the highest numbers of infections occurring in May and June.
Symptoms start about 3 to 6 days after the tick bite. Symptoms of fever continue for 3 days, stop, then recur 1 to 3 days later for another few days.
Risk factors are recent outdoor activity and recent tick bite. The incidence is high in Colorado, where up to 15% of regular campers show past exposure (based on antibodies). It is much less common in the rest of the US.
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Jump to another section
• Definition
• Colorado Tick Fever Overview, Causes, & Risk Factors
• Colorado Tick Fever Symptoms & Signs
• Colorado Tick Fever Prevention
• Colorado Tick Fever Diagnosis & Tests
• Colorado Tick Fever Treatment
• Colorado Tick Fever Prognosis
• Colorado Tick Fever Complications
• Calling Your Health Care Provider
• Pictures & Images
Topics that might be of interest to you Diseases & Conditions
• Aseptic Meningitis
• Encephalitis
• Reye's Syndrome
Tests & Exams
• CBC
• Complement
• Immunofluorescence
• WBC Count
Other Topics
• Acute
• Fever
• Headache
• Incidence
• Insect Bites and Stings
• Joint Pain
• Muscle Aches
• Nausea and Vomiting
• Pain Medications
• Rashes
• Sweating - Excessive
• Ticks
• Vision - Light Sensitive
• Weakness
Review Date : 8/5/2002
Reviewed By : Sonya Shin, M.D., Infectious Diseases Division, Brigham and Women's Hospital, Boston, MA. Review provided by VeriMed Healthcare Network.
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