Disease Information for Erythema chronica migrans(lyme disease)

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Clinical Manifestations
Signs & Symptoms
Annular erythema lesion, large
Annular lesions rash
Circular or linear rash lesions
Fever and Rash
Large annular centrally clearing/erythema rash
Local lesion/skin rash
Non-pruritic rash
Rash
Rash with well demarcated lesions
Rash/lesion centrally clearing
Arthralgias Polyarthralgias
Arthritis Children
Arthritis with Fever
Arthritis with rash/dermatitis
Joint Pains
Joint pains Arthralgias in Children
Constitutional symptoms
Fever
Flu-Like Syndrome
High body temperature
Disease Progression
Course/Acute
Course/Acute only
Demographics & Risk Factors
Travel, Geographic & Climate Related Factors
Residence/travel/Connecticut
Residence/travel/Massachusetts
Residence/travel/Rhode Island
Recent Event
Recent/local/migrating rash
Event, Activity, Behavioral & Seasonal Factors
Activity/Fishing
Activity/Gardening/in the garden situation
Activity/Hiking/mountain climbing
Activity/Wilderness/hiking,camping,travel
Event/Month/August
Event/Month/July
Event/Summertime manifestations
Laboratory Tests
Microbiology & Serology Findings
Microlab/Lyme disease Western Blot positive
Microlab/PCR Lyme disease positive
Associated Diseases & Rule outs
Rule Outs
Eosinophilic fasciitis
Granuloma annulare
Tinea corporis
Associated Disease & Complications
Lyme disease
Polyarthritis in Children
Polyarthritis syndrome/Multiple joints/weeks
PolyArthritis
Disease Mechanism & Classification
Specific Agent
AGENT/Spirochete/Borrelia/Treponema (category)
Class
CLASS/Dermatologic/Subcutaneous (category)
Process
PROCESS/Infection/agent specific (category)
Definition

The Lyme disease bacterium can infect several parts of the body, producing different symptoms at different times; The first sign of infection is usually a circular rash called erythema migrans or EM; This rash occurs in approximately 70-80% of infected persons and begins at the site of a tick bite after a delay of 3-30 days; A distinctive feature of the rash is that it gradually expands over a period of several days, reaching up to 12 inches (30 cm) across; The center of the rash may clear as it enlarges, resulting in a bull’s-eye appearance; It may be warm but is not usually painful; Some patients develop additional EM lesions in other areas of the body after several days; Patients also experience symptoms of fatigue, chills, fever, headache, and muscle and joint aches, and swollen lymph nodes; In some cases, these may be the only symptoms of infection; Untreated, the infection may spread to other parts of the body within a few days to weeks, producing an array of discrete symptoms;

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External Links Related to Erythema chronica migrans(lyme disease)
Google
Wikipedia
Merck
Images
PubMed (National Library of Medicine)
NGC (National Guideline Clearinghouse)
Medscape (eMedicine)
Harrison's Online (accessmedicine)
NEJM (The New England Journal of Medicine)
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