| erythema nodosum | <dermatology> A disorder characterised by the formation of tender, red nodules on the front of the legs. Erythema nodosum primarily affects women and has been associated with certain infections: coccidiomycosis, fungal infections, tuberculosis, hepatitis B and syphilis. A sensitivity to a particular drug (for example penicillin, progestin, birth control pills) may also manifest this disorder. Other disorders and conditions that have been associated with erythema nodosum include: leukaemia, sarcoidosis, rheumatic fever, ulcerative colitis and pregnancy. (27 Sep 1997) |
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| erythema nodosum leprosum | An acute type of lepromatous reaction with generalised systemic involvement and tender deep cutaneous and subcutaneous nodules of the face, thighs, and arms; usually seen in undiagnosed, untreated, or neglected cases of leprosy. (05 Mar 2000) |
| erythema nodosum migrans | subacute migratory panniculitis |
| erythema palmare hereditarium | A condition characterised by asymptomatic symmetrical palmar erythema; autosomal dominant inheritance. Synonym: Lane's disease. (05 Mar 2000) |
| erythema papulatum | The papular form of erythema multiforme. (05 Mar 2000) |
| erythema paratrimma | Erythema due to stasis over pressure points. (05 Mar 2000) |
| erythema pernio | <symptom> Redness, itching and burning of the skin, especially the fingers, toes, heels, nose and ears on exposure to extreme cold and high humidity. Skin lesions may become blistered and or ulcerated. (05 Jan 1998) |
| erythema perstans | Probably a chronic form of erythema multiforme in which the relapses recur so persistently that the eruption is almost permanent. (05 Mar 2000) |
| erythema polymorphe | <dermatology> A rash that results from an allergic response, most often secondary to a drug. The rash is described as pink-red macules (flat), that may have clear centres (iris lesions) or appear as a dusky violet colour. Erythema multiforme most often results from reactions to sulpha drugs, penicillin's, phenytoin, barbiturates, phenolphthalein and carbamazepine. In some cases, erythema multiforme can result secondary to a Herpes simplex infection or Mycoplasma infection. (27 Sep 1997) |
| erythema simplex | Blushing or redness of the skin caused by a toxic reaction or a neurovascular phenomenon. Synonym: dermatitis simplex. (05 Mar 2000) |
| erythema solare | The burning or discolouration produced on the skin by the heat of the sun; tan. Source: Websters Dictionary (01 Mar 1998) |
| erythema threshold | The amount of radiation that causes redness of the skin. (09 Oct 1997) |
| erythema toxicum | Flushing of the skin due to allergic reaction to some toxic substance. (05 Mar 2000) |
| erythema toxicum neonatorum | A common transient idiopathic eruption of erythema, small papules, and occasionally pustules filled with eosinophilic leukocytes overlying hair follicles of the newborn. Synonym: erythema neonatorum. (05 Mar 2000) |
| erythema tuberculatum | Erythema multiforme in which the papules are of large size. (05 Mar 2000) |