Colorado tick fever is an acute viral infection transmitted by the bite of a tick. This disease is characterized by a sudden onset of symptoms including fever, severe muscle aches (myalgia), joint stiffness, headache, sore throat, sensitivity to light (photophobia), nausea, vomiting, fatigue, and occasionally a raised rash. More severe symptoms include sequelae such as meningoencephalitis, an inflammation of the membranes covering the brain and spinal cord. Extensive involvement of the respiratory system is rarely seen with Colorado tick fever however, infection has been associated with vascular instability, circulatory disturbance (hemorrhagic disease), cardiac inflammation (myocarditis), and other pulmonary problems.
Generally mild viral infection, transmitted by the bite of a tick and common in the Rocky Mountain area of the United States; it is characterized by headache; pains in the legs, eyes, and back; and fever and chills, with the symptoms usually occurring in two episodes before final remission.
A viral infection transmitted by the bite of a wood tick. Symptoms generally begin within 4 to 5 days of the tick bite, but may not appear for as long as 20 days following a bite. General malaise with high fever and a fine, red rash are the usual symptoms. Recovery is usually within a week to lo days, but the virus can live in the red blood cells for several months.
A viral infection transmitted through the bites of infected ticks is encountered in the mountainous regions of the western United States, typically occurring during the early summer season. Following a tick bite, symptoms manifest within 3 to 6 days and encompass flu-like symptoms such as chills, fever, intense headache, nausea, and occasionally a raised rash characterized by redness. The illness typically endures for a brief period, subsides momentarily, and then resurfaces for an additional few days. Although the virus can persist in the bloodstream for several months.
The recommended approach for managing this condition entails promptly removing the tick and, if needed, administering analgesic medications for pain relief. To prevent tick bites, it is advisable to wear attire that provides coverage for the arms and legs, and to secure trouser legs by tucking them into socks.