erythema /er·y·the·ma/ (er″ĭ-the´mah) redness of the skin due to congestion of the capillaries.erythem´atouserythe´mic
Erythema
erythema
erythema (er·
·thēˑ·m),
erythema (er´ithē´m
),
erythema
erythema annula´re a type of erythema multiforme with ring-shaped lesions.
erythema annula´re centri´fugum a chronic variant of erythema multiforme usually affecting the thighs and lower legs, with single or multiple erythematous-edematous papules that enlarge peripherally and clear in the center to produce annular lesions that may coalesce.
erythema chro´nicum mi´grans an annular erythema due to the bite of a tick (Ixodes); it begins as an erythematous plaque several weeks after the bite and spreads peripherally with central clearing. See also Lyme disease, under disease.
cold erythema a congenital hypersensitivity to cold seen in children, characterized by localized pain, widespread erythema, occasional muscle spasms, and vascular collapse on exposure to cold, and vomiting after drinking cold liquids.
epidemic arthritic erythema Haverhill fever.
erythema indura´tum chronic necrotizing vasculitis, usually occurring on the calves of young women; its association with tuberculosis is in dispute.
erythema infectio´sum a mildly contagious, sometimes epidemic, disease of children between the ages of four and twelve, marked by a rose-colored, coarsely lacelike macular rash and caused by human parvovirus B19.
erythema i´ris a type of erythema multiforme in which the lesions form concentric rings, producing a target-like appearance.
erythema margina´tum a type of erythema multiforme in which the reddened areas are disk-shaped with elevated edges.
erythema mi´grans
erythema multifor´me a symptom complex with highly polymorphic skin lesions, including macular papules, vesicles, and bullae; attacks are usually self-limited but recurrences are the rule.
erythema nodo´sum an acute inflammatory skin disease marked by tender red nodules, usually on the shins, due to exudation of blood and serum.
erythema nodo´sum lepro´sum a form of lepra reaction occurring in lepromatous and sometimes borderline leprosy, marked by the occurrence of tender, inflamed subcutaneous nodules; the reactions resemble multifocal Arthus reactions.
toxic erythema , erythema tox´icum a generalized erythematous or erythematomacular eruption due to administration of a drug or to bacterial toxins or other toxic substances.
erythema tox´icum neonato´rum a self-limited urticarial condition affecting infants in the first few days of life.
er·y·the·ma ( r  -th  m)n. Redness of the skin caused by dilatation and congestion of the capillaries, often a sign of inflammation or infection. er y·thema·tous (-thm-ts, -thm-) adj. |
Erythema
The medical term for redness of the skin produced by congestion of the capillaries in the skin.
Mentioned in: Rosacea, Ultraviolet Light Treatment
erythema
[er′ithē′mə]
Etymology: Gk, erythros, red
redness or inflammation of the skin or mucous membranes that is the result of dilation and congestion of superficial capillaries. Examples of erythema are nervous blushes and mild sunburn. See also erythroderma, rubor. erythematous, adj.
erythema (er·
·thēˑ·m),n mild redness caused by congested or dilated capillaries close to the surface of the skin as in mild sunburns and blushing due to embarrassment.
)
Erythema.
erythema (er´ithē´m
),n a patchy, circumscribed, or marginated macular redness of the skin or mucous membranes caused by hyperemia or inflammation.
erythema, linear gingival (LGE)
(er´thē´m lin´ēer jin´jvl),
n the thin bands of severe erythema noted in the marginal gingiva. Sometimes present in people with AIDS.
thē´m lin´ēer jin´jvl), n the thin bands of severe erythema noted in the marginal gingiva. Sometimes present in people with AIDS.
erythema multiforme complex,
n an acute, inflammatory dermatologic disease of uncertain etiology (although occasionally related to drug administration), characterized by erythematous macules, papules, vesicles, and bullae that appear on the skin and not infrequently on the oral mucosa. See also syndrome, Stevens-Johnson.
)
Erythema multiforme.
erythema
redness of the skin caused by congestion of the capillaries in the lower layers of the skin. It occurs with any skin injury, infection or inflammation.
erythema ab igne
that due to exposure to radiant heat.
erythema chronicum migrans
the early skin rash at the site of the tick bite which infects humans with Borellia burgdorferi (Lyme disease); rarely seen in dogs.
erythema multiforme
a disease of unknown etiology, but is sometimes drug-related; presumed to be immune-mediated. It occurs in all species and is characterized by an acute onset of erythematous macules, papules, vesicles or bullae. There may also be fever, depression and anorexia.
erythema multiforme major
a rapidly fulminating, ulcerative form of erythema multiforme with involvement of oral mucosa and systemic signs.
necrolytic migratory erythema
in humans, a skin disease associated with glucagon-secreting tumors of the pancreas. The same association has not been observed in dogs, but disease of the liver and pancreas is often present. There are vesicles and crusted, ulcerated lesions, mainly on the face, mucocutaneous areas, distal limbs and feet.
erythema nodosum
a rare disorder in dogs characterized by fever, depression, arthralgia and septal panniculitis.
toxic erythema, erythema toxicum
a generalized erythematous or erythematomacular eruption due to administration of a drug or to bacterial toxins or other toxic substances.
erythema
A general term for reddening, especially of a mucocutaneous surface, rash
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