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Erythema Multiforme - Coggle Diagram
Erythema Multiforme
Aetiology
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Precipitating factors
Drugs: Sulphonamides, penicillin, phenytoin, barbiturates
Infectious
Viral: HSV, EBV, Coxsackie, Adenovirus, Orf virus
Bacterial: Mycoplasma pneumoniae, Chlamydiae
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Inflammatory: RA, SLE, sarcoidosis, UC, Systemic vasculitis
Malignancies: Lymphomas, Leukaemia, Myelomas
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Examination
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Distributed over arms and legs, incl. palms, soles and extensor surfaces
Stevens-Johnson Syndrome
Affecting > mucous membranes (e.g. conjunctiva, lips, mouth etc.)
Systemic symptoms: sore throat, cough, fever, headace, diarrhoea and vomiting
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Investigation
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Bloods: Raised WCC, ESR, CRP, Urea. Decreased Albumin
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References: Rapid Medicine (2010), Amir H. Sam
What it looks like: 