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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

    Doxycycline (a tetracycline) is the drug of choice for patients with Rocky Mountain spotted fever, being one of the only instances doxycycline is used in children. Treatment typically consists of 100 milligrams every 12 hours, or for children under 45 kg (99 lb) at 4 mg/kg of body weight per day in two divided doses.

    • 2 to 14 days after infection
    • Early: Fever, headache, Later: Rash
  3. Fever - Symptoms and causes - Mayo Clinic

    www.mayoclinic.org › diseases-conditions › fever
    • Overview
    • Symptoms
    • Causes
    • Complications
    • Prevention

    A fever is a temporary increase in your body temperature, often due to an illness. Having a fever is a sign that something out of the ordinary is going on in your body.For an adult, a fever may be uncomfortable, but usually isn't a cause for concern unless it reaches 103 F (39.4 C) or higher. For infants and toddlers, a slightly elevated temperature may indicate a serious infection.Fevers generally go away within a few days. A number of over-the-counter medications lower a fever, but sometime...

    You have a fever when your temperature rises above its normal range. What's normal for you may be a little higher or lower than the average normal temperature of 98.6 F (37 C).Depending on what's causing your fever, additional fever signs and symptoms may include: 1. Sweating 2. Chills and shivering 3. Headache 4. Muscle aches 5. Loss of appetite 6. Irritability 7. Dehydration 8. General weaknessChildren between the ages of 6 months and 5 years might experience febrile seizures. About a third...

    Fever occurs when an area in your brain called the hypothalamus (hi-poe-THAL-uh-muhs) — also known as your body's \\"thermostat\\" — shifts the set point of your normal body temperature upward. When this happens, you may feel chilled and add layers of clothing or wrap up in a blanket, or you may shiver to generate more body heat, eventually resulting in an elevated body temperature.Normal body temperature varies throughout the day — it's lower in the morning and higher in the late afternoon and e...

    Children between the ages of 6 months and 5 years may experience fever-induced convulsions (febrile seizures), which usually involve loss of consciousness and shaking of limbs on both sides of the body. Although alarming for parents, the vast majority of febrile seizures cause no lasting effects.If a seizure occurs: 1. Lay your child on his or her side or stomach on the floor or ground 2. Remove any sharp objects that are near your child 3. Loosen tight clothing 4. Hold your child to prevent...

    You may be able to prevent fevers by reducing exposure to infectious diseases. Here are some tips that can help: 1. Wash your hands often and teach your children to do the same, especially before eating, after using the toilet, after spending time in a crowd or around someone who's sick, after petting animals, and during travel on public transportation. 2. Show your children how to wash their hands thoroughly, covering both the front and back of each hand with soap and rinsing completely unde...

  4. 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
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  6. 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...

    • at A Glance
    • Historical Trends
    • Seasonality
    • Geography
    • People at Risk
    The number of SFR cases has risen in the last two decades, from 495 cases in 2000, to a peak of 6,248 in 2017. However, cases reported in 2018 were slightly lower.
    Because of the inability to differentiate between spotted fever group Rickettsia species using commonly available serologic tests, it is unclear how many of those cases are RMSF, and how many resul...
    The number of SFR cases reported to CDC per year have generally increased over time with distinct increases since the mid-1990s.
    Notably, while the number of cases and incidence rose, the case fatality rate (i.e., the proportion of SFR patients that died as a result of infection) has declined since the 1940s when tetracyclin...
    The current case fatality rate for SFRs using surveillance data is still roughly 0.5% of cases.
    Although SFR cases can occur during any month of the year, most cases reported illness in May–August.
    This period coincides with the season when adult Dermacentorticks are most active.
    Seasonal trends may vary depending on the area of the country and tick species involved.
    SFR cases have been reported throughout the contiguous United States, although five states (Arkansas, Missouri, North Carolina, Tennessee, and Virginia) account for over 50% of SFR cases.
    In Arizona, RMSF cases have recently been identified in an area where the disease had not been previously seen. From 2003 to 2018, nearly 430 cases were reported with a case-fatality rate of about 5%.
    SFR cases are more frequently reported in men than in women.
    People over the age of 40 years account for the highest number of reported cases, however, children under 10 years old represent the highest number of reported deaths.
    Persons with glucose-6-phosphate dehydrogenase (G6PD) deficiency.
    Surveillance data shows higher risk for hospitalization in people with compromised immune systems (e.g., resulting from cancer treatments, advanced HIV infection, prior organ transplants, or some m...
  7. Valley Fever: Symptoms, Causes, Diagnosis, Treatment

    www.webmd.com › a-to-z-guides › valley-fever

    Valley fever’s symptoms start out much like those of the flu. But this illness comes from a fungus that lives in the soil, and a few cases are serious.

  8. TICKBORNE DISEASES OF THE UNITED STATES

    www.cdc.gov › lyme › resources

    Mountain Spotted Fever Ehrlichiosis Tick Bites/ Prevention Anaplasmosis AGENT Anaplasma phagocytophilum Anaplasmosis, ehrlichiosis, and Rocky Mountain spotted fever are treated in the same manner with doxycycline. Clinical suspicion of any of these diseases is sufficient to begin treatment. Delay in treatment may result in severe illness and ...

  9. Doxycycline is the most effective treatment of all rickettsial diseases including Rocky Mountain spotted fever, ehrlichiosis and anaplasmosis. It is the antibiotic recommended by the American Academy of Pediatrics (AAP) and CDC for the treatment of suspected rickettsial diseases in patients of all ages.

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