What to Know About Colorado Tick Fever

Colorado tick fever (CTF) is a viral disease spread by the bite of an infected Rocky Mountain wood tick (_Dermacentor andersoni_). It is the most common tick-borne disease in the Rocky Mountains of the United States and Canada.

Symptoms:

- The symptoms of CTF typically develop within 3 to 6 days after a bite from an infected tick

- Fever

- Chills

- Headache

- Nausea

- Vomiting

- Diarrhea

- Fatigue

- Muscle aches

- Joint pain

- Swollen lymph nodes

- A rash may also develop and is often concentrated on the palms of the hands and soles of the feet

Treatment:

- There is no specific treatment for CTF

- Treatment is supportive and includes rest, fluids, and pain relievers

- Most people recover from CTF within 2 to 3 weeks

- In severe cases, hospitalization may be necessary

Prevention:

- Avoid areas where ticks are known to be present

- Use insect repellent that contains DEET

- Wear long sleeves and pants when in areas where ticks are present

- Tuck your pants into your socks

- Wear a hat

- Check for ticks after spending time outdoors

- Remove ticks promptly and properly

If you develop symptoms of CTF, see your doctor immediately.