Lyme Disease
July 8th, 2009
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Lyme disease is an infection caused by a kind of bacterium (germ) called a spirochete (say: “spy-ro-keet”). The disease is carried by deer ticks (found in the northeastern and north-central United States) and western black-legged ticks (found mostly on the Pacific Coast). These ticks can spread the disease to animals and humans through tick bites. These ticks are typically about the size of a sesame seed.
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Symptoms of Lyme disease
One sign of Lyme disease is a rash, which may appear 3 to 30 days after the tick bite. This rash usually starts at the site of the tick bite. It may begin as a small red spot and grow larger.
Other symptoms of Lyme disease in its early stage include fever, chills, headaches, stiff neck, fatigue and muscle aches. Rarely, early-stage Lyme disease can spread to the heart or the nervous system. If Lyme disease spreads to the heart, the person may feel an irregular or slow heartbeat.
Fatigue
chills
fever
headache
muscle and joint pain
Swollen lymph nodes.
central and peripheral nervous system disorders
multiple skin rashes
arthritis and arthritic symptoms
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Causes of Lyme disease
Lyme disease is a bacterial illness caused by a bacterium called a “spirochete.” In the United States, the actual name of the bacterium is Borrelia burgdorferi. In Europe, another bacterium, Borrelia afzelii, also causes Lyme disease. Certain ticks found on deer harbor the bacterium in their stomachs. Lyme disease is spread by these ticks when they bite the skin, which permits the bacterium to infect the body.
Lyme disease is passed to humans through the bite of certain types of ticks that are infected with a bacterium called Borrelia burgdorferi. Ticks are about the size of a sesame seed (3 mm to 5 mm in length), red and brown in colour, and feed on blood. In Canada, there are 2 major species of ticks that are known to transmit Lyme disease:
the deer tick (blacklegged tick), which has been found to be established in parts of southern and eastern Ontario as well as southeastern Manitoba and Nova Scotia, and has been taken off humans and pets in other areas where the tick is not currently known to be established
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Treatment
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