Colorado tick fever is an acute viral infection spread by the bite of the Dermacentor andersoni wood tick. Symptoms fever headache chills light sensitivitymyalgias malaise fatigue and malaise, for weeks to months nausea, diarrhea light sensitivity rare pneumonitis myocarditis hepatitis Signs and tests Complement fixation antibody test Immunofluorescence antibody test Complete blood count (CBC) Creatine kinase Liver function tests

It is extremely important for the family and friends of the chronic pain sufferer to understand how chronic pain effects a person mentally.