Lyme disease is not transmitted from an affected person to someone else. Therefore, Lyme disease is not contagious.
2. What is Lyme disease?
Lyme disease is a bacterial illness caused by a bacterium called a "spirochete."
3. You've found a tick on your leg. Now what?
The longer a tick remains attached to someone, the greater the chance it will be able to spread a disease-causing germ. Therefore, any attached tick should be removed as soon as possible using a fine-point tweezers. The tick should not be squeezed or twisted but grasped close to the skin and pulled straight out with steady pressure.
4. Ticks are carriers of the Lyme bacterium...
Ticks are carriers of the Lyme bacterium in their stomachs.
5. Where was Lyme disease first identified?
Lyme disease only became apparent in 1975 when mothers of a group of children who lived near each other in Lyme, Connecticut, made researchers aware that their children had all been diagnosed with rheumatoid arthritis. This unusual grouping of illness that appeared "rheumatoid" eventually led researchers to the identification of the bacterial cause of the children's condition, what was then called "Lyme disease" in 1982.
6. Lyme disease is reported most often in the southeastern U.S.
Lyme disease has been reported most often in the northeastern United States, but it has been reported in all 50 states, as well as China, Europe, Japan, Australia, and parts of the former Soviet Union. In certain areas of New York, where Lyme disease is common, over half of the ticks are infected.
7. What are early symptoms and signs of Lyme disease?
As the bacteria spread in the skin away from the initial tick bite, the infection causes an expanding reddish rash that is often associated with "flu-like" symptoms.
8. The characteristic Lyme disease rash looks like...
In the early phase of the illness, within days to weeks of the tick bite, the skin around the bite develops an expanding ring of unraised redness. There may be an outer ring of brighter redness and a central area of clearing, leading to a "bull's-eye" appearance.
9. Lyme disease rash is called...
This classic initial rash of Lyme disease is called "erythema migrans" (formerly called erythema chronicum migrans).
10. What is one of the effects of late-stage Lyme disease?
The later phases of Lyme disease can affect the heart, causing inflammation of the heart muscle. This can result in abnormal heart rhythms and heart failure. The nervous system can develop facial muscle paralysis (Bell's palsy), abnormal sensation due to disease of peripheral nerves (peripheral neuropathy), meningitis, and confusion. Inflammation in the joints (arthritis) begins with swelling, stiffness, and pain, and particularly affects one knee.
11. How do doctors diagnose Lyme disease?
In early Lyme disease, doctors can sometimes make a diagnosis simply by finding the classic red rash. Currently, the confirmatory test that is most reliable is the Western Blot assay antibody test.
12. Which drug is used to treat early stage Lyme disease?
Early illness is usually treated with medicines taken by mouth, for example, doxycycline (Vibramycin), amoxicillin (Amoxil), or cefuroxime axetil (Ceftin).
13. How can Lyme disease be prevented?
Because Lyme disease is transmitted by ticks attaching to the body, it is important to use tick-bite avoidance techniques when visiting known tick areas. Spraying insect repellant containing DEET onto exposed skin can help. Wearing long pants tucked into boots and long sleeves can protect the skin. Clothing, children, and pets should be examined for ticks. Ticks can be removed gently with tweezers and saved in a jar for later identification. Bathing the skin and scalp and washing clothing upon returning home might prevent the bite and transmission of the disease.
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