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  2. Rocky Mountain spotted fever - Symptoms and causes - Mayo Clinic

    www.mayoclinic.org/diseases-conditions/rocky...
    • Overview
    • Symptoms
    • Causes
    • Risk Factors
    • Complications
    • Prevention

    Rocky Mountain spotted fever is a bacterial infection transmitted by a tick. Without prompt treatment, Rocky Mountain spotted fever can cause serious damage to internal organs, such as your kidneys and heart.Although it was first identified in the Rocky Mountains, Rocky Mountain spotted fever is most commonly found in the southeastern part of the United States. It also occurs in parts of Canada, Mexico, Central America and South America.Early signs and symptoms of Rocky Mountain spotted fever...

    Although many people become ill within the first week after infection, signs and symptoms may not appear for up to 14 days. Initial signs and symptoms of Rocky Mountain spotted fever often are nonspecific and can mimic those of other illnesses: 1. High fever 2. Chills 3. Severe headache 4. Muscle aches 5. Nausea and vomiting 6. Confusion or other neurological changes

    Rocky Mountain spotted fever is caused by infection with the organism Rickettsia rickettsii. Ticks carrying R. rickettsii are the most common source of infection.If an infected tick attaches itself to your skin and feeds on your blood for six to 10 hours, you may pick up the infection. But you may never see the tick on you.Rocky Mountain spotted fever primarily occurs when ticks are most active and during warm weather when people tend to spend more time outdoors. Rocky Mountain spotted fever...

    Factors that may increase your risk of contracting Rocky Mountain spotted fever include: 1. Living in an area where the disease is common 2. The time of year — infections are more common in the spring and early summer 3. How much time you spend in grassy or wooded areas 4. Whether you have a dog or spend time with dogsIf an infected tick attaches to your skin, you can contract Rocky Mountain spotted fever when you remove it, as fluid from the tick can enter your body through an opening such a...

    Rocky Mountain spotted fever damages the lining of your smallest blood vessels, causing the vessels to leak or form clots. This may cause: 1. Inflammation of the brain (encephalitis). In addition to severe headaches, Rocky Mountain spotted fever can cause inflammation of the brain, which can cause confusion, seizures and delirium. 2. Inflammation of the heart or lungs. Rocky Mountain spotted fever can cause inflammation in areas of the heart and lungs. This can lead to heart failure or lung f...

    You can decrease your chances of contracting Rocky Mountain spotted fever by taking some simple precautions: 1. Wear long pants and sleeves. When walking in wooded or grassy areas, wear shoes, long pants tucked into socks and long-sleeved shirts. Try to stick to trails and avoid walking through low bushes and long grass. 2. Use insect repellents. Products containing DEET (Off! Deep Woods, Repel) often repel ticks. Be sure to follow the instructions on the label. Clothing that has permethrin i...

  3. Rocky Mountain Spotted Fever - What You Need to Know

    www.drugs.com/cg/rocky-mountain-spotted-fever.html

    Nov 16, 2020 · Rocky Mountain spotted fever (RMSF) is a bacterial infection caused by the bite of an infected tick. It occurs most often between April and September, when ticks are most active. RMSF can become life-threatening without treatment.

  4. Rocky Mountain spotted fever - Wikipedia

    en.wikipedia.org/wiki/Rocky_Mountain_spotted_fever

    Rocky Mountain spotted fever (RMSF) is a bacterial disease spread by ticks. It typically begins with a fever and headache, which is followed a few days later with the development of a rash. The rash is generally made up of small spots of bleeding and starts on the wrists and ankles. Other symptoms may include muscle pains and vomiting.

    • 2 to 14 days after infection
    • Early: Fever, headache, Later: Rash
  5. Rocky Mountain Spotted Fever: Pictures and Long-Term Effects

    www.healthline.com/.../rocky-mountain-spotted-fever

    Aug 28, 2018 · Rocky Mountain spotted fever (RMSF) is a bacterial infection spread by a bite from an infected tick. It causes vomiting, a sudden high fever around 102 or 103°F, headache, abdominal pain, rash, and...

    • Jacquelyn Cafasso
  6. Rocky Mountain Spotted Fever (Blood) - Health Encyclopedia ...

    www.urmc.rochester.edu/encyclopedia/content.aspx?...

    Rocky Mountain spotted fever (RMSF) testing includes a blood sample used to look for proteins (antibodies) that the body makes to fight RMSF infections. RMSF is a serious bacterial infection caused by a bite from an infected tick. In most people, antibodies can't be found until at least a week after infection.

  7. What does ROCKY MOUNTAIN SPOTTED FEVER mean?

    www.definitions.net/definition/Rocky Mountain...

    Rocky Mountain spotted fever. Rocky Mountain spotted fever is the most lethal and most frequently reported rickettsial illness in the United States. It has been diagnosed throughout the Americas. Some synonyms for Rocky Mountain spotted fever in other countries include “tick typhus,” “Tobia fever”, “São Paulo fever” or “febre maculosa”, and “fiebre manchada”.

  8. May 07, 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.

  9. Clinical and Laboratory Diagnosis | Rocky Mountain Spotted ...

    www.cdc.gov/rmsf/healthcare-providers/ClinLab...
    • Serology
    • Persistent Antibodies
    • PCR
    • IHC and Culture
    The standard serologic test for diagnosis of RMSF is the indirect immunofluorescence antibody (IFA) assay for immunoglobulin G (IgG) using R. rickettsiiantigen.
    IgG IFA assays should be performed on paired acute and convalescent serum samples collected 2–4 weeks apart to demonstrate evidence of a fourfold seroconversion.
    Antibody titers are frequently negative in the first week of illness. RMSF cannot be confirmed using single acute antibody results.
    Immunoglobulin M (IgM) IFA assays are available through some reference laboratories, however results might be less specific than IgG IFA assays for diagnosing a recent infection.
    Antibodies to R. rickettsiimight remain elevated for many months after the disease has resolved.
    In certain people, high titers of antibodies against R. rickettsiihave been observed up to four years after the acute illness.
    Ten percent or more of healthy people in some areas might have elevated antibody titers due to past exposure to R. rickettsiior other SFGR.
    Comparison of paired, and appropriately timed, serologic assays provides the best evidence of recent infection.
    Polymerase chain reaction (PCR) amplification is performed on DNA extracted from whole blood.
    R. rickettsii infect the endothelial cells that line blood vessels and may not circulate in large numbers in the blood until the disease has progressed to a severe phase of infection.
    Although a positive PCR result is helpful, a negative result does not rule out the diagnosis, and treatment should not be withheld due to a negative result.
    PCR might also be used to amplify DNA from a skin biopsy of a rash lesion, or in post-mortem tissue specimens. See instructions for the collection of a skin biopsy Cdc-pdfPDF [PDF – 1 page].
    Culture and immunohistochemistry (IHC) assays can also be performed on skin biopsies of a rash lesion, or post-mortem tissue specimens.
    Culture isolation and IHC assays of R. rickettsiiare only available at specialized laboratories; routine hospital blood cultures cannot detect the organism.
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