Exanthem: Difference between revisions
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An | An exanthem is a widespread [[rash]], usually of [[virus|viral]] origin, and usually occurring in [[children]]. It represents either a reaction to a [[toxin]] produced by the organism, damage to the [[skin]] by the organism or an immune response. Exanthems may also be due to a drug, most commonly [[antibiotic]]s. | ||
Historically, five "classical" childhood exanthems have been recognized: they are [[measles|rubeola]] (measles), [[chickenpox|varicella]] (chicken pox), [[rubella]], [[scarlet fever]] and [[fifth disease|"fifth disease"]]. [[Roseola]] (aka exanthem subitum or "sixth disease") was later added to these. Vaccinations now exist against measles, rubella and chickenpox; scarlet fever is a [[Group_A_streptococcal_infection|streptococcal]] disease easily treated with antibiotics and the remaining two viral syndromes are considered benign.<ref>P. Murray et al., ''Medical Microbiology, 5th ed.'' (Elsevier Mosby), p. 700.</ref> | Historically, five "classical" childhood exanthems have been recognized: they are [[measles|rubeola]] (measles), [[chickenpox|varicella]] (chicken pox), [[rubella]], [[scarlet fever]] and [[fifth disease|"fifth disease"]]. [[Roseola]] (aka exanthem subitum or "sixth disease") was later added to these. Vaccinations now exist against measles, rubella and chickenpox; scarlet fever is a [[Group_A_streptococcal_infection|streptococcal]] disease easily treated with antibiotics and the remaining two viral syndromes are considered benign.<ref>P. Murray et al., ''Medical Microbiology, 5th ed.'' (Elsevier Mosby), p. 700.</ref> | ||
Revision as of 17:40, 10 April 2013
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
An exanthem is a widespread rash, usually of viral origin, and usually occurring in children. It represents either a reaction to a toxin produced by the organism, damage to the skin by the organism or an immune response. Exanthems may also be due to a drug, most commonly antibiotics.
Historically, five "classical" childhood exanthems have been recognized: they are rubeola (measles), varicella (chicken pox), rubella, scarlet fever and "fifth disease". Roseola (aka exanthem subitum or "sixth disease") was later added to these. Vaccinations now exist against measles, rubella and chickenpox; scarlet fever is a streptococcal disease easily treated with antibiotics and the remaining two viral syndromes are considered benign.[1]
A "new" exanthem was identified in 1992, unilateral laterothoracic exanthem (ULE), later also known as asymmetric periflexural exanthem of childhood.[2]
References
External links
- Overview at About.com
- Definition at MedTerms
- Differential diagnosis
- Dermatology Quiz Includes photo, diagnosis, and treatment of unilateral laterothoracic exanthem (ULE).