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  1. 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...

  2. Rocky Mountain spotted fever - Wikipedia

    en.wikipedia.org/wiki/Rocky_Mountain_spotted_fever

    Rocky Mountain spotted fever 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. Long-term complications following recovery may include hearing loss or loss of part of an arm or leg. The disease is caused by Rickettsia rickettsii, a type of bacterium

    • 2 to 14 days after infection
    • Early: Fever, headache, Later: Rash
  3. People also ask

    What is the treatment for fever in children?

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    What is the normal temperature for a child with a fever?

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  4. Fever in Children (High Temperature) | Causes and Treatment ...

    patient.info/childrens-health/fever-in-children...

    Feb 18, 2020 · You should seek medical advice if the temperature is 39°C or more. Fever in a baby aged less than 3 months is unusual and worrying. You should seek medical advice if the temperature is 38°C or more. When young children have a fever, if can be difficult for parents to work out why. In most cases, the fever is due to a non-serious viral infection.

    • Dr Sarah Jarvis MBE
  5. Fever in Children When to Worry: Symptoms, Causes & Home Remedies

    www.emedicinehealth.com/fever_in_children/...

    Fever has traditionally been defined as a rectal temperature over 100.4 F or 38 C. Temperatures measured at other body sites are usually lower. The threshold for defining a fever does vary significantly among different individuals since body temperatures can vary by as much as 1 F. Low-grade fevers are usually considered less than 102.2 F (39 C).

  6. 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. Transmission.

  7. 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.
  8. Fever: Symptoms, treatments, types, and causes

    www.medicalnewstoday.com/articles/168266

    May 05, 2020 · Most experts consider a temperature of 100.4° F (38°C) to be a fever, but in children, this may be lower, at 99.5°F (37.5°C). Hyperpyrexia can occur when a person’s temperature rises above ...

  9. In 2017 Zagreb faced the largest outbreak of haemorrhagic fever with renal syndrome (HFRS) to date. We investigated to describe the extent of the outbreak and identify risk factors for infection. We compared laboratory-confirmed cases of Hantavirus infection in Zagreb residents with the onset of illness after 1 January 2017, with individually ...

  10. Scarlet fever - Symptoms and causes - Mayo Clinic

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

    Scarlet fever is a bacterial illness that develops in some people who have strep throat. Also known as scarlatina, scarlet fever features a bright red rash that covers most of the body. Scarlet fever is almost always accompanied by a sore throat and a high fever.Scarlet fever is most common in children 5 to 15 years of age. Although scarlet fever was once considered a serious childhood illness, antibiotic treatments have made it less threatening. Still, if left untreated, scarlet fever can re...

    The signs and symptoms that give scarlet fever its name include: 1. Red rash. The rash looks like a sunburn and feels like sandpaper. It typically begins on the face or neck and spreads to the trunk, arms and legs. If pressure is applied to the reddened skin, it will turn pale. 2. Red lines. The folds of skin around the groin, armpits, elbows, knees and neck usually become a deeper red than the surrounding rash. 3. Flushed face. The face may appear flushed with a pale ring around the mouth. 4...

    Scarlet fever is caused by the same type of bacteria that cause strep throat. In scarlet fever, the bacteria release a toxin that produces the rash and red tongue.The infection spreads from person to person via droplets expelled when an infected person coughs or sneezes. The incubation period — the time between exposure and illness — is usually two to four days.

    Children 5 to 15 years of age are more likely than are other people to get scarlet fever. Scarlet fever germs spread more easily among people in close contact, such as family members or classmates.

    If scarlet fever goes untreated, the bacteria may spread to the: 1. Tonsils 2. Lungs 3. Skin 4. Kidneys 5. Blood 6. Middle earRarely, scarlet fever can lead to rheumatic fever, a serious condition that can affect the: 1. Heart 2. Joints 3. Nervous system 4. Skin

    There is no vaccine to prevent scarlet fever. The best prevention strategies for scarlet fever are the same as the standard precautions against infections: 1. Wash your hands. Show your child how to wash his or her hands thoroughly with warm soapy water. 2. Don't share dining utensils or food. As a rule, your child shouldn't share drinking glasses or eating utensils with friends or classmates. This rule applies to sharing food, too. 3. Cover your mouth and nose. Tell your child to cover his o...

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