Rock·y Moun·tain spot·ted fe·ver
/ˈräkē ˈmount(ə)n spädəd ˈfēvər/
- 1. a rickettsial disease transmitted by ticks.
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What is mountain fever?
- Medically reviewed by Judith Marcin, MD on April 13, 2017 — Written by Jacquelyn Cafasso. 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 muscle aches.
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21 hours ago · History. Rocky Mountain spotted fever (RMSF) first emerged in the Idaho Valley in 1896. At that time, not much information was known about the disease; it was originally called Black Measles because patients had a characteristic spotted rash appearance throughout their body.
If you have a tick bite and notice symptoms like a rash, hives, or pain and swelling at the bite site you may be having an allergic reaction. Signs that you've developed a tick-borne illness ...
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3 days ago · Rocky mountain spotted fever takes two hours. Tick-borne relapsing fever takes less than half an hour. To protect yourself against these diseases, use environmental protection agency insect ...
- Nancy Werteen
- What Is Ehrlichiosis?
- Where Is Ehrlichiosis Prevalent?
Human Monocytic Ehrlichiosis (HME) , is caused by Ehrlichia chaffeensis, a type of bacteria known as rickettsia, and is transmitted to humans by the bite of the lone star tick Amblyomma americanum.Unlike Lyme disease, ehrlichiosis is considered an acute infection without chronic long-term consequences. Its severity varies from person to person. Many people exposed to the disease agent exhibit no symptoms, while others suffer mild symptoms that resolve without treatment. In a minority of cases...
First identified in 1987, the HME bacterium E. chaffeensis is transmitted by the lone star tick. Ticks infected with E. chaffeensis occur mostly south of the line connecting southern New Jersey and western Texas, and throughout the high plains states north of Texas to the Canadian border. Recent expansion of the lone star tick into New York state (particularly Long Island) and coastal New England has resulted in cases of HME being reported from these areas with increased frequency.Adult femal...
Clinical manifestations of HME can range from mild to life-threatening depending on the patient’s age and general health.Onset of ehrlichiosis generally begins within a week of a tick bite, and often includes fever, severe headaches, malaise, muscle pains, and chills. Other symptoms may include nausea, vomiting, confusion and joint pain. A rash may appear in some HME cases but unlike Lyme disease, this rash is general in nature and is not associated with the site of the tick bite.
An initial diagnosis is based on the patient’s symptoms and laboratory tests. Routine laboratory results include a low white blood cell count, low platelet count and elevated liver enzymes (ALT, AST, LDH). A confirmed diagnosis can be made using an antibody IFA (Immuno-Fluorescent Assay) after 21 days of suspected infection. In severe cases, blood smears can be examined for ehrlichiosis.
According to the Centers for Disease Control and Prevention (CDC), patients suspected of having ehrlichiosis should be treated immediately. Treatment should not be delayed until laboratory test results come back. Doxycycline is the drug of choice for ehrlichiosis patients. The CDC recommends 100 mg twice daily for adults or 4.4 mg/kg body weight per day in two divided doses for children under 100 lbs. Tetracycline can be used as an alternative if the patient is not pregnant (it is contraindia...
3 days ago · Boutonneuse fever (also called, fièvre boutonneuse, Kenya tick typhus, Indian tick typhus, Marseilles fever, or Astrakhan fever) is a fever as a result of a rickettsial infection caused by the bacterium Rickettsia conorii and transmitted by the dog tick Rhipicephalus sanguineus.
- Mediterranean spotted fever
3 days ago · COVID-19 is an international, national and North Carolina public health emergency. Coronavirus Disease 2019 (COVID-19) is a disease that was identified in late 2019 and was declared a pandemic on March 11.
4 days ago · Brucellosis is a highly contagious zoonosis caused by ingestion of unpasteurized milk or undercooked meat from infected animals, or close contact with their secretions. It is also known as undulant fever, Malta fever, and Mediterranean fever. Brucella species are small, Gram-negative, nonmotile, nonspore-forming, rod-shaped bacteria. They function as facultative intracellular parasites, causing chronic disease, which usually persists for life. Four species infect humans: B. abortus, B. canis, B.
2 days ago · Typhoid fever is a type of enteric fever, along with paratyphoid fever. The cause is the bacterium salmonella enterica subsp. enterica serovar Typhi growing in the intestines and blood. Typhoid is spread by eating or drinking food or water contaminated with the feces of an infected person.
4 days ago · May 20, 2019 — In Mexicali, Mexico, an uncontrolled epidemic of Rocky Mountain spotted fever, one of the deadliest tickborne diseases in the Americas, has affected more than 1,000 people since......
2 days ago · A virus causes the fever, and its symptoms are similar to the flu: headaches, fevers and chills and a feeling of fatigue. Rocky Mountain spotted fever is caused by a type of bacterium. It can be a serious disease, potentially life threatening, but is rare with only a couple reported cases in Colorado each year.