erythema

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Related to erythematous: erythematous candidiasis

erythema

(ĕr'əthē`mə), more or less diffuse redness of the skin due to concentration of an abnormally large amount of blood within the small vessels of the skin (hyperemia), as in burns. Erythema nodosum is often associated with systemic diseases such as tuberculosis and rheumatic fever. Tender, bright red, slightly elevated nodules develop along the shins. Erythema multiforme can have a number of causes, including viral and bacterial infection, chronic disease of the visceral organs, or allergic reactions to drugs.

Erythema

 

reddening of the skin caused by the dilatation of blood vessels. Erythema sometimes occurs by reflex action and disappears quickly, for example, when one feels ashamed or angry. With inflammation, the condition lasts longer. It appears as a result of exposure to chemicals and physical factors (friction, heat, cold, ultraviolet radiation) and in some infectious diseases (scarlet fever, measles, erythema infectiosum) and skin diseases (dermatitis). It also occurs as a result of poisoning and disturbances in blood circulation.

erythema

[‚er·ə′thē·mə]
(medicine)
Localized redness of the skin in areas of variable size.
References in periodicals archive ?
Cutaneous manifestations include nontender, symmetrical, erythematous, urticarial papules or plaques.
Some of the areas began to change and look scaly, "like they were drying up" but some had new erythematous areas, which were mildly puritic.
On the upper and lower extremities, erythematous papules and plaques were present; tense, intact, bullae were also present on the lower extremities (figure 2).
His lungs were clear, but his pharynx was markedly swollen and erythematous with cervical lymphadenopathy.
Plaque psoriasis is typified by red erythematous skin plaques, usually covered with silver flaking scales, that can be itchy or painful or both.
Over a five-year period, researchers monitored how many people in each group went on to develop rheumatoid arthritis, ankylosing spondylitis and systemic lupus erythematous - all conditions where the immune system goes haywire and cause swollen, painful joints and flu-like symptoms.
A non erythematous soft tender mass with the size of 4x10x 2 cm in RUQ and another non erythematous and tender moss of 10x6 cm could be palpated in RLQ.
The gingiva will present as erythematous with severe bulbous interdental papillae and festooning.
Patients usually present with erythematous and itchy lesions progressing to large number of sensitive bullous lesions; it occurs more frequently in the elderly (1).
He was noted to be erythematous and was suspected to have had a drug or transfusion reaction and thus received chlorphenamine.
When he returned home, his right foot was badly swollen and erythematous.