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   What causes Rocky Mountain spotted fever?

   • R. rickettsii, the bacterium that causes Rocky Mountain spotted fever, gets into your bloodstream from the bite of a tick. It attacks your blood vessels, muscle cells and tissues. This can lead to leaking blood vessels, excess fluid in your tissues, and damage to your muscles, nerves and organs.

   Rocky Mountain Spotted Fever - Cleveland Clinic

   my.clevelandclinic.org/health/diseases/17838-rocky-mountain-spotted-fever

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   How do doctors diagnose Rocky Mountain spotted fever?

   • Thus, if doctors suspect Rocky Mountain spotted fever, they typically start treatment before they get test results. To confirm the diagnosis, doctors usually do an immunofluorescence assay on a sample taken from the rash (biopsy).

   Rocky Mountain Spotted Fever (RMSF) - Infections - Merck Manual

   www.merckmanuals.com/home/infections/rickettsial-and-related-infections/rocky-mountain-spotted-fever-rmsf

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   What is Rocky Mountain spotted fever (RMSF)?

   • Rocky Mountain spotted fever (RMSF) is a serious illness you get from a tick bite. It’s caused by the bacterium Rickettsia rickettsii. Symptoms include a high fever and headache. Rash may start three or more days after other symptoms. RMSF can be life-threatening if not treated quickly with antibiotics. RMSF is found in most states in the U.S.

   Rocky Mountain Spotted Fever - Cleveland Clinic

   my.clevelandclinic.org/health/diseases/17838-rocky-mountain-spotted-fever

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2. www.cdc.gov › ClinLab-DiagnosisClinical and Laboratory Diagnosis | Rocky Mountain Spotted ...

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   Mar 26, 2021 · Rocky Mountain spotted fever (RMSF) can be difficult to diagnose due to the non-specific signs and symptoms in early stages of illness. Signs and symptoms can vary from patient to patient and can resemble other, more common diseases.

3. my.clevelandclinic.org › health › diseasesRocky Mountain Spotted Fever: Causes, Symptoms & Treatment

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   Aug 25, 2022 · Rocky Mountain spotted fever (RMSF) is an illness you get from the bacteria Rickettsia rickettsii ( R. rickettsii). It spreads through tick bites. Symptoms start out similar to many other illnesses, including headache, fever and rash. But if not treated right away, RMSF can be life-threatening.

4. www.ncbi.nlm.nih.gov › books › NBK430881Rocky Mountain Spotted Fever (Rickettsia rickettsii ...

   www.ncbi.nlm.nih.gov › books › NBK430881

   Jul 17, 2023 · Rocky Mountain spotted fever (RMSF) is an acute febrile tick-borne illness caused by Rickettsia rickettsii. In North America, it is both the most severe and the most common rickettsial infection. Without prompt antibiotic treatment, mortality rates are as high as 20 to 30 percent.

   • Author: Jessica Snowden, Kari A. Simonsen

   • Published: 2023/07/17

5. www.cdc.gov › signs-symptomsSigns and Symptoms | Rocky Mountain Spotted Fever (RMSF) | CDC

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   Feb 19, 2019 · CDC. Rocky Mountain Spotted Fever (RMSF) Information for Healthcare Providers. Signs and Symptoms. On This Page. Rash. Infection in Children. Bloodwork. Long-term Effects of RMSF. Rocky Mountain spotted fever, (RMSF) is the most severe rickettsiosis in the United States.

6. www.merckmanuals.com › home › infectionsRocky Mountain Spotted Fever (RMSF) - Infections - Merck ...

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   Testing is usually required to confirm Rocky Mountain spotted fever. However, available tests may not detect the bacteria right away or take a long time to process. Thus, if doctors suspect Rocky Mountain spotted fever, they typically start treatment before they get test results.

7. www.hopkinsmedicine.org › health › conditions-andRocky Mountain Spotted Fever | Johns Hopkins Medicine

   www.hopkinsmedicine.org › health › conditions-and

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   RMSF is caused by a bacterium that is spread to people by the bite of an infected tick. In different parts of the U.S., these ticks can transmit the RMSF bacteria: American dog tick. Rocky Mountain wood tick. Brown dog tick. Lone star tick. Who is at risk for Rocky Mountain spotted fever?