What is Colorado tick fever?

Colorado tick fever is a condition acquired from a bite of the Dermacentor andersoni wood tick. This species of tick is commonly known as the Rocky Mountain wood tick. An individual is at high risk for the disease if spending time outdoors in areas infested by ticks.

The symptoms often arise within 3-6 days after being bit by tick. When the symptoms arise, they settle within 10 days. Treatment is not usually required and most are able to recover without any complications.


  • Fever up to 105 degrees F

    The indications of Colorado tick fever usually take at least 3 days to develop.

  • Chills
  • Light sensitivity
  • Severe headache
  • Skin tenderness
  • Muscle aches
  • Nausea
  • Vomiting
  • Appetite loss
  • Abdominal pain
  • Faint rash
  • Fatigue and weakness

The indications of Colorado tick fever usually take at least 3 days to develop. If the symptoms manifest after being bit by a tick, the symptoms are due to a different condition. A doctor must be consulted if the symptoms are severe or they do not settle in a week.


There is no precise approach in dealing with Colorado tick fever. When the symptoms manifest, they eventually settle without treatment within 10 days.

The fever and muscle aches are managed with acetaminophen and other pain medications. Adequate rest and keeping the body hydrated are essential as well.

The tick should be removed right away. A doctor must be consulted if you could not remove the tick from the skin.


The risk for developing the condition can be reduced by avoiding areas that might be infested by ticks. If in an area where ticks are suspected, wear proper clothing such as long pants tucked into the socks, long-sleeved shirts and closed-toe shoes.

It is also beneficial to use light-colored clothes since ticks are hard to pinpoint on dark clothing. It is also recommended to apply an insect repellant to keep ticks away.

After spending time in tick-infested areas, do not forget to check your clothes and body for any ticks before moving indoors. Ticks that are fixed in the skin must be removed using tweezers right away.


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