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What is a Rocky Mountain spotted fever rash?
When was Rocky Mountain spotted fever first discovered?
What is a mountain tick fever?
What are the symptoms of a fever?
5 days ago · The classic Rocky Mountain Spotted Fever rash occurs in about 90% of patients and develops 2 to 5 days after the onset of fever. The characteristic rash appear as small, flat, pink macules that develop peripherally on the patient's body, such as the wrists, forearms, ankles, and feet. During the course of the disease, the rash will take on a ...
- What Is Colorado Tick Fever?
- Where Is Colorado Tick Fever Prevalent?
Colorado tick fever (CTF), also known as Mountain tick fever or American mountain fever, is a viral disease caused by infection with the Colorado tick fever virus (CTFV), a member of the Coltivirus genera. CTF is transmitted to humans most commonly by the bite of an infected adult wood tick, and while there is no evidence of natural person-to-person transmission, rare cases of transmission by blood transfusion have been reported. The diagnosis of persons with CTF is complicated by non-specifi...
Colorado tick fever occurs primarily in the Rocky Mountain region of the western United States as well as the Canadian provinces of British Columbia and Alberta. More than 90% of all CTF cases in the United States are reported from Colorado, Utah and Montana. The disease is most prevalent during the summer months between April and August, and is usually limited to mountainous elevations between 1,200 and 3,000 meters. Patients with CTF are most often campers and young men, who have been expos...
Clinical manifestations of CTF can range from mild to life-threatening depending on the patient’s age and general health. The first symptoms of CTF usually occur 3-7 days after a tick bite, although the incubation period can be as long as 20 days. The initial symptoms of the disease often include fever, chills, headache, muscular and skeletal pain, and malaise. Other symptoms may include nausea, vomiting, stomach pain, light sensitivity and sore throat. About half of all patients experience a...
An initial diagnosis is based on the patient’s signs and symptoms and confirmation depends on laboratory testing. The appearance of a saddleback fever and the absence of a hemorrhagic rash common to Rocky Mountain spotted fever are clinical indicators of CTF. Leukopenia, a decrease in the number of circulating white blood cells, is the most common laboratory finding in CTF. The immunoflourescent staining of blood smears may be used to identify CTFV antigens, however a confirmed diagnosis can...
No specific treatment for CTF is available. Management of CTF includes treatment of fever and pain with analgesics and acetaminophen, along with standard infection control procedures. Patients infected with CTF should advise blood collection agencies of their illness prior to donation, due to the risk of transmitting CTF through blood transfusion.
3 days ago · Symptoms of Rocky Mountain spotted fever include headache, fever, chills, aches, pains, and sometimes nausea. These symptoms are usually accompanied by a rash that starts on the wrists and ankles. Early treatment of Rocky Mountain spotted fever with antibiotics can prevent severe illness, a person exhibiting any of these symptoms 2 to 14 days ...
3 days ago · Symptoms of Rocky Mountain Spotted Fever. A rash that begins on the ankles and wrists after a few days of fever, but later spreads to the rest of the body, is a possible sign of Rocky Mountain Spotted fever. Head and muscle aches are also common symptoms. Caused by dog ticks, this potentially fatal infection can be treated with prompt medical care.
4 days ago · Meningitis is an infection of the protective membranes that surround the brain and spinal cord (meninges). It can affect anyone, but is most common in babies, young children, teenagers and young adults.
- Signs and symptoms
Tick species that transmit anaplasmosis: Deer tick (Ixodes scapularis), western black-legged tick (Ixodes pacificus)
Human granulocytic anaplasmosis (HGA), previously known as human granulocytic ehrlichiosis (HGE), is a tick-associated disease caused by a species of bacteria called Anaplasma phagocytophilum. HGA is transmitted to humans by the bite of the deer tick and western black-legged tick. People exposed to the disease agent often have difficulty being diagnosed because of the non-specific nature of the symptoms. Most experience headaches, fever, chills, myalgia, and malaise that can be confused with other infectious and non-infectious diseases. Rashes are rarely reported by people exposed to HGA.
HGA is transmitted to humans by the deer tick and western black-legged tick. Deer ticks infected with A. phagocytophilum are found in the New England and North Central United States while black-legged ticks infected with A. phagocytophilum are found in northern California. States reporting the highest incidence of HGA in 2001-2002 were Rhode Island, Minnesota, Connecticut, New York, and Maryland. Most cases occur in the spring and summer months. During this time, nymphal deer ticks are most likely to come into contact with humans in New England and North Central United States. Adult deer ticks may transmit the infection in the fall. The main animal reservoir for A. phagocytophilum in Eastern regions is the white-footed mouse.
Clinical manifestations of HGA can range from mild to life-threatening depending on the patients age and general health. Onset of anaplasmosis generally begins within a week of a tick bite, and often includes fever, severe headaches, malaise, muscle pains, and chills. Other symptoms may include confusion, hemorrhages, and renal failure.
An initial diagnosis is based on the patients symptoms and laboratory tests. Routine laboratory results include a low white blood cell count, low platelet count, and elevated levels of specific liver enzymes. Blood smears may be used to look for characteristic morulae (microcolonies) of A. phagocytophilium in affected blood cells. However, a confirmed diagnosis can only be made using the PCR (Polymerase Chain Reaction) or by immunostaining methods.
According to the Center for Disease Control (CDC), people exposed to HGA should be treated with a tetracycline antibiotic (usually doxycycline) for 10 to 14 days. A longer treatment period may be needed to account for the possibility of a coinfection with Lyme disease.
3 days ago · Miscellaneous Pictures Quotes. Search this site ... Rocky Mountain Spotted Fever Diagnosis and treatment. ... Yellow Skin skin turns yellow around 9-12 months old.
6 days ago · For all pediatric patients weighing less than 45 kg with severe or life-threatening infections (e.g., anthrax, Rocky Mountain spotted fever), the recommended dosage is 2.2 mg/kg of body weight administered every 12 hours. Children weighing 45 kg or more should receive the adult dose.
5 days ago · see also: Browse Insect Thumbnail Photos. Click on one of the insect orders below to go to the list of photos for that order. Or scroll further down and click on a name to see all the insect photos in the database containing that name. The number in parentheses following each name is a count of photos that exactly match the name.