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  1. Lyme disease - Wikipedia

    Lyme disease, also known as Lyme borreliosis, is an infectious disease caused by the Borrelia bacterium which is spread by ticks. The most common sign of infection is an expanding red rash, known as erythema migrans, that appears at the site of the tick bite about a week after it occurred.

    • Borrelia

      Borrelia is a genus of bacteria of the spirochete phylum. It...

    • Ixodes Scapularis

      Ixodes scapularis is commonly known as the deer tick or...

    • Chronic Lyme Disease

      Chronic Lyme disease (CLD) is the name used by some people...

    • Ticks

      Fossilized ticks are known from the Cretaceous onwards, most...

    • Erythema Migrans

      Erythema migrans or erythema chronicum migrans is an...

    • Frank Psychosis

      Psychosis is an abnormal condition of the mind that results...

  2. Lyme disease or borreliosis, is an infectious disease. It is caused by bacteria of the genus Borrelia. The disease is carried by ticks which are parasitic on mammals such as mice and deer. In other words, ticks are the vector which transmits the disease. It is the most common tick-borne infection in the United States. Although Allen Steere ...

  3. People also ask

    How serious is Lyme disease?

    Is Lyme disease acute or chronic?

    Where does Lyme disease come from?

    What you should know about erythema migrans?

  4. Dec 16, 2019 · Lyme disease is the most common vector-borne disease in the United States. Lyme disease is caused by the bacterium Borrelia burgdorferi and rarely, Borrelia mayonii. It is transmitted to humans through the bite of infected blacklegged ticks. Typical symptoms include fever, headache, fatigue, and a characteristic skin rash called erythema ...

  5. Lyme disease - WikEM
    • Background
    • Clinical Features
    • Differential Diagnosis
    • Evaluation
    • Disposition
    • See Also
    Tick Borne - Ixodesblack-legged ticks
    Endemic Areas: NE, E US Coasts
    Caused by spirochete Borrelia burgdorferi
    The spirochete Borrelia mayoniihas been a new strain implicated in cases in the midwest

    3 Distinct Stages - Not all patients suffer all stages, and stages may overlap with remissions between stages

    ELISA if positive obtain confirmatory Western blot
    Cultures, serologies
    LP with lymphocytic pleocytosis, elevated protein, normal glucose, + spirochete antibody, paired serum/CSF serologic tests,PCR


    1. Early Disease 2. Late Disease: If chronic neurologic/arthritic manifestations may be able to manage as outpatient 3. Follow up with primary care, rheum, ID


    1. Lyme carditis-cardiac monitoring 2. Prominent neurologic symptoms for IV antibiotics and further care

  6. Lyme Disease - EyeWiki

    Jul 22, 2020 · Lyme disease is a multisystem infection caused by the spirochete Borrelia burgdorferi which is typically transmitted through the Ixodes tick, the same carrier of the Babesia protozoa.The typical season outbreaks occur during summer and autumn. The animal reservoirs include rodents, deer, birds, cats and dogs.

  7. Lyme disease - Symptoms and causes - Mayo Clinic
    • Overview
    • Symptoms
    • Causes
    • Risk Factors
    • Complications
    • Prevention

    Lyme disease is caused by four main species of bacteria. Borrelia burgdorferi and Borrelia mayonii cause Lyme disease in the United States, while Borrelia afzelii and Borrelia garinii are the leading causes in Europe and Asia. The most common tick-borne illness in these regions, Lyme disease is transmitted by the bite of an infected black-legged tick, commonly known as a deer tick.You're more likely to get Lyme disease if you live or spend time in grassy and heavily wooded areas where ticks c...

    The signs and symptoms of Lyme disease vary. They usually appear in stages, but the stages can overlap.

    In the United States, Lyme disease is caused by the bacteria Borrelia burgdorferi and Borrelia mayonii, carried primarily by black-legged or deer ticks. Young brown ticks often are no bigger than a poppy seed, which can make them nearly impossible to spot.To contract Lyme disease, an infected deer tick must bite you. The bacteria enter your skin through the bite and eventually make their way into your bloodstream.In most cases, to transmit Lyme disease, a deer tick must be attached for 36 to...

    Where you live or vacation can affect your chances of getting Lyme disease. So can your profession and the outdoor activities you enjoy. The most common risk factors for Lyme disease include: 1. Spending time in wooded or grassy areas. In the United States, deer ticks are found mostly in the heavily wooded areas of the Northeast and Midwest. Children who spend a lot of time outdoors in these regions are especially at risk. Adults with outdoor occupations also are at increased risk. 2. Having...

    Untreated Lyme disease can cause: 1. Chronic joint inflammation (Lyme arthritis), particularly of the knee 2. Neurological symptoms, such as facial palsy and neuropathy 3. Cognitive defects, such as impaired memory 4. Heart rhythm irregularities

    The best way to prevent Lyme disease is to avoid areas where deer ticks live, especially wooded, bushy areas with long grass. You can decrease your risk of getting Lyme disease with some simple precautions: 1. Cover up. When in wooded or grassy areas, wear shoes, long pants tucked into your socks, a long-sleeved shirt, a hat and gloves. Try to stick to trails and avoid walking through low bushes and long grass. Keep your dog on a leash. 2. Use insect repellents. Apply insect repellent with a...

  8. Lyme disease is caused by bacteria, Borrelia burgdorferi that are transmitted to humans through a bite from an infected black-legged or deer tick. Symptoms can occur anywhere from 3 to 30 days ...

  9. Diagnosis and Testing | Lyme Disease | CDC
    • Laboratory Testing
    • Key Points to Remember
    • CDC Supports The Development of New Tests

    CDC currently recommends a two-step testing process for Lyme disease. Both steps are required and can be done using the same blood sample. If this first step is negative, no further testing is recommended. If the first step is positive or indeterminate (sometimes called “equivocal”), the second step should be performed. The overall result is positive only when the first test is positive (or equivocal) and the second test is positive (or for some tests equivocal).

    Most Lyme disease tests are designed to detect antibodies made by the body in response to infection.
    Antibodies can take several weeks to develop, so patients may test negative if infected only recently.
    Antibodies normally persist in the blood for months or even years after the infection is gone; therefore, the test cannot be used to determine cure.
    Infection with other diseases, including some tickborne diseases, or some viral, bacterial, or autoimmune diseases, can result in false positive test results.

    New tests may be developed as alternatives to one or both steps of the two-step process. Before CDC will recommend new tests, they must be cleared by the Food and Drug Administration (FDA). For more details, see: Recommendations for Test Performance and Interpretation from the Second National Conference on Serologic Diagnosis of Lyme Disease. NEW! Updated CDC Recommendation for Serologic Diagnosis of Lyme Disease

  10. Lyme disease - Diagnosis and treatment - Mayo Clinic
    • Diagnosis
    • Treatment
    • Alternative Medicine
    • Preparing For Your Appointment

    Many signs and symptoms of Lyme disease are often found in other conditions, so diagnosis can be difficult. What's more, ticks that transmit Lyme disease can also spread other diseases.If you don't have the characteristic Lyme disease rash, your doctor might ask about your medical history, including whether you've been outdoors in the summer where Lyme disease is common, and do a physical exam.Lab tests to identify antibodies to the bacteria can help confirm or rule out the diagnosis. These t...

    Antibiotics are used to treat Lyme disease. In general, recovery will be quicker and more complete the sooner treatment begins.

    Antibiotics are the only proven treatment for Lyme disease. Some people who have unexplained signs and symptoms or chronic disease might believe they have Lyme disease even if it's not been diagnosed. There are a variety of alternative treatments that people with Lyme disease or people who think they have Lyme disease turn to for relief.Unfortunately, these treatments either haven't been proved effective by scientific evidence or haven't been tested. In many cases, they can be harmful, even d...

    You're likely to start by seeing your family doctor or a general practitioner who might refer you to a rheumatologist, infectious disease specialist or other specialist.Here's some information to help you get ready for you appointment.