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    Overview of Erythema Migrans
    You are here: Home > Pharmacy News | Health Articles/Tips > Erythema Migrans


      Erythema migrans is a red rash on the skin. This is the first symptom in most cases of Lyme disease. The rash starts as a small red spot at the site of the tick bite and expands over a period of time forming circular or oval-shaped rash. Sometimes, it might have a bull’s-eye appearance.

      What Causes Errythemia Migrans?

      Erythema migrans is often caused by the Lyme bacteria, Borrelia burgdorferi. This bacterium is usually found in animals such as mice and deer. These ticks can spread the disease to animals and humans through tick bites. These ticks are typically about the size of a sesame seed.

      What Are the Types of Errythemia Migrans?

      Technically, there is no classification of erythema migrans. However, Lyme disease could be clinically classified as Lyme arthritis and neuroborreliosis.

      What Are the Symptoms of Errythemia Migrans?

      A major sign of erythema migrans is rash that may appear in 3 to 30 days on the site of 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. The center may fade; creating a "bull's eye" or ring appearance, but this is not always the case. The rash may be warm, but is usually not painful. In some cases, the rash includes many red patches that appear in different shapes and sizes around the body. The rash caused by erythema migrans is different from the rash that appears as an allergic reaction to an insect bite. The reaction to such bites appears within hours or 1 day after the bite and disappears in a day or two. Erythema migrans is often accompanied by flu-like symptoms such as fever, headache, stiff neck, body aches, and fatigue.

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      What Are the Diagnosis & Tests for Errythemia Migrans?

      In general, visual inspection is done to diagnose erythema migrans. The circular bull’s eye rash is the clear indicator that helps the doctor to confirm the condition. Your doctor might also prescribe you to undergo certain tests to diagnose the presence of Lyme disease.

      Enzyme-Linked Immunosorbent Assay (ELISA) Test: ELISA detects antibodies to B. burgdorferi. This test is not preferred as a base diagnosis for most of the time since it produces false-positive results.

      Western Blot Test: If the ELISA test is positive, the Western blot is done to confirm the diagnosis. The Western blot detects antibodies to several proteins of B. burgdorferi.

      Polymerase Chain Reaction (PCR): This test helps detect bacterial DNA in fluid drawn from an infected joint. It's not effective at detecting infection of blood or urine. It's used for people who may have chronic Lyme arthritis. It may also be used to detect persistent infection in the cerebrospinal fluid of people who have nervous system

      What Are the Treatments Available for Errythemia Migrans?

      If diagnosed immediately, erythema migrans is always treatable. Your doctor might prescribe course of antibiotics for 3 to 4 weeks. The skin rash disappears within several days after starting treatment, but other signs and symptoms may persist for several weeks.

      How Do You Cope Up with Errythemia Migrans?

      You are not alone. Erythema migrans affects many people and children in United States. If you see a rash on you or your child’s skin, see the doctor immediately.

      What Are the Ways to Prevent Errythemia Migrans?

      The best way to prevent errythemia migrans is to prevent tick bites. Following tips might help you in certain ways in preventing erythema migrans.
      • Wear closed shoes and boots, long-sleeved shirts, and long pants especially if you get into the wood or areas overgrown with grass and bushes.
      • Tuck pants into boots or shoes to prevent ticks from crawling up legs.
      • Wear light-colored clothing to help you see ticks easily.
      • Keep long hair pulled back or placed in a cap for added protection.
      • Avoid sitting on the ground, when you go outside.
      • Wash all clothes after leaving tick-infested areas, and bathe and shampoo your child thoroughly to eliminate any unseen ticks.
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      Self Care

      Here are few simple, effective erythema migrans self-care tips that can reduce erythema migrans breakouts and control future breakouts.
      • Follow up your doctor’s instructions.
      • Take medications properly.
      • Take rest
      • Have a diet rich in nutrition.
      • Wear light colored clothes so that rashes are easily visible.


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