Rocky Mountain Spotted Fever

Rocky Mountain spotted fever (RMSF) is a tick-borne illness caused by the bacterium, Rickettsia rickettsii. It is mostly found in the United States and Canada and is one of the most severe and deadly rickettsial diseases. Symptoms of RMSF can include fever, headache, abdominal pain, nausea, vomiting, rash, muscle pain and joint pain. In severe cases, it can cause organ damage and neurological complications. Early diagnosis and appropriate treatment are essential for preventing serious complications and death. Doctors should consider RMSF when patients present with symptoms and risk factors such as recent tick bites, living in or traveling to areas where the disease is common, and contact with dogs, cats, or rodents. Diagnosis and treatment of RMSF are based on clinical suspicion, laboratory testing and antibiotic therapy. Prevention of RMSF is primarily focused on avoiding tick bites through protective clothing, insect repellents, and carefully checking clothing and skin after being outdoors.