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  2. www.cdc.gov › rmsfRocky Mountain Spotted Fever (RMSF) | CDC

    May 7, 2019 · Rocky Mountain spotted fever (RMSF) is a bacterial disease spread through the bite of an infected tick. Most people who get sick with RMSF will have a fever, headache, and rash. RMSF can be deadly if not treated early with the right antibiotic.

  3. en.wikipedia.org › wiki › Rocky_Mountain_spotted_feverRocky Mountain spotted fever - Wikipedia

    The disease is caused by Rickettsia rickettsii, a type of bacterium that is primarily spread to humans by American dog ticks, Rocky Mountain wood ticks, and brown dog ticks. [4] . Rarely the disease is spread by blood transfusions. [4] . Diagnosis in the early stages is difficult. [5] .

    • 2 to 14 days after infection

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

    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.

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

    Jul 17, 2023 · Etiology. Rickettsia rickettsii, the most well-described and most lethal of the spotted group rickettsiae, causes Rocky Mountain spotted fever (RMSF). It is a coccobacillary, obligate, intracellular organism that accidentally infects human hosts after a bite with an infected tick vector.

    • Jessica Snowden, Kari A. Simonsen
    • 2023/07/17

  6. www.cdc.gov › ticks › tickbornediseasesRocky Mountain Spotted Fever (RMSF) | Tick-borne Diseases ...

    Signs and Symptoms. Early (1–4 Days) High fever. Severe headache. Malaise. Myalgia. Edema around eyes and on the back of hands.

  7. www.verywellhealth.com › rocky-mountain-spottedRocky Mountain Spotted Fever (RMSF): Pictures, Symptoms

    Mar 25, 2024 · Rocky Mountain spotted fever (RMSF) is a bacterial illness caused by a bite from an infected tick. Symptoms include high fever and widespread rash. In the United States, there are 4,000–6,000 reports of tick-borne spotted fevers, including RMSF, each year. It's the deadliest tick-borne illness in the world.

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

    RMSF is caused by a bacterium that is spread to people by the bite of an infected tick. Symptoms include a rash, fever, headache, decreased appetite, chills, sore throat, confusion, stomachache, nausea or vomiting, diarrhea, body aches, and sensitivity to light. Treatment includes antibiotics and symptom relief.