Rocky Mountain spotted fever

Injury Disease Nutrition Poison Symptoms Surgery Test Special Topic

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Rocky mountain spotted fever, lesions on arm Deer ticks Ticks Rocky mountain spotted fever on the arm Tick imbedded in the skin Rocky mountain spotted fever on the foot Rocky mountain spotted fever, petechial rash Antibodies

Overview Symptoms Treatment Prevention

Rocky Mountain spotted fever

• fever
• chills
• incubation period of 2 to 14 days
• severe headache
• muscle pain
• mental confusion
• rash, first appearing on wrists and ankles, then spreading to most of the body, usually starts a few days after fever starts; up to 20% of people do not get a rash

Additional symptoms that may be associated with this disease:

• excessive thirst
• nausea and vomiting
• hallucinations
• diarrhea
• loss of appetite
• abnormal sensitivity to light

• low platelets
• low red blood cell count in 30% of patients
• possible renal failure, elevated creatinine
• possible clotting problems, elevated PT and PTT
• blood in the urine and protein in the urine
• antibody titer by complement fixation or immunofluorescence that indicates the presence of infection
• skin biopsy at the site of the rash may show the Rickettsia rickettsii

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