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 Lyme Disease
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Lyme disease is a bacterial infection that features a skin rash, swollen joints and flu-like symptoms. You get the disease from the bite of an infected tick. Sometimes it is hard to know if you have Lyme disease because you may not have noticed a tick bite. Also, many of its symptoms are like those of other diseases. Symptoms may include

  • A skin rash, often resembling a bulls-eye
  • Fever
  • Headache
  • Muscle pain
  • Stiff neck
  • Swelling of knees and other large joints

In the early stages, doctors look at your symptoms and medical history to figure out whether you have Lyme disease. In the later stages of the disease, lab tests can confirm whether you have it.

Lyme disease is caused by the bacterium Borrelia burgdorferi and is transmitted to humans by the bite of infected blacklegged ticks. Typical symptoms include fever, headache, fatigue, and a characteristic skin rash called erythema migrans. If left untreated, infection can spread to joints, the heart, and the nervous system. Lyme disease is diagnosed based on symptoms, physical findings (e.g., rash), and the possibility of exposure to infected ticks; laboratory testing is helpful in the later stages of disease. Most cases of Lyme disease can be treated successfully with a few weeks of antibiotics. Steps to prevent Lyme disease include using insect repellent, removing ticks promptly, landscaping, and integrated pest management. The ticks that transmit Lyme disease can occasionally transmit other tick-borne diseases as well.

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EditText of this page (last edited January 8, 2008)

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