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Redness of the skin caused by dilatation and congestion of the capillaries, often a sign of inflammation or infection.

[Greek eruthēma, from eruthainein, to redden, be red, from eruthros, red; see reudh- in Indo-European roots.]

er′y·them′a·tous (-thĕm′ə-təs, -thē′mə-), er′y·the·mat′ic (-măt′ĭk), er′y·the′mic adj.


, erithematous
a. eritematoso-a, rel. al eritema.
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References in periodicals archive ?
It may be acute or chronic and unilateral or bilateral, clinically characterized by headshaking, foul smelling discharges, pain on palpation of ear and erythematic changes in ear canal.
The lesion characteristically progresses rapidly from small indurate papulovesicles to necrotic ulcers with surrounding erythematic and a central black Escher.
Observed oral conditions included xerostomia, an erythematic soft palate and scalloped tongue.
He also had a scaly and diffuse erythematic rash over the lower abdomen which was non-blanching and pruritic.