erythema infectiosum - definition of erythema infectiosum in the Medical dictionary - by the Free Online Medical Dictionary, Thesaurus and Encyclopedia.

erythema /er·y·the·ma/ (er″ĭ-the´mah) redness of the skin due to congestion of the capillaries.erythem´atouserythe´mic

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

1. benign migratory glossitis.

2. e. chronicum migrans.

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.

erythema in·fec·ti·o·sum (

n-f

A mild infectious disease occurring mainly in early childhood, marked by a rosy-red maculopapular rash on the cheeks, often spreading to the trunk and limbs. Fever and arthritis may also be present. Also called fifth disease.

erythema infectiosum,

1 an acute benign infectious disease, mainly of childhood, characterized by fever and an erythematous rash that begins on the cheeks and later appears on the arms, thighs, buttocks, and trunk. As the rash progresses, earlier lesions fade. Sunlight aggravates the eruption, which usually lasts about 10 days but may recur in 1 to 3 weeks or longer after exposure to sunlight or heat. For a period the rash may reappear whenever the skin is irritated. It is caused by parvovirus B₁₉. Morbidity is more significant in adults, immunocompromised patients, pregnant women, and those with uremia.

2 a virus that lives only in humans. No treatment is necessary, and prognosis is excellent. Isolation of patients is not required. Also called fifth disease.

erythema infectiosum,

n See disease, fifth.

erythema infectiosum

Fifth disease A childhood exanthema caused by the moderately contagious B19 parvovirus, so named as it was the 5^th childhood disease typically accompanied by a rash Diff Dx The other nosologies often associated with rashes in childhood are rubella, measles, scarlet fever, and a mild, atypical variant of scarlet fever–Filatov-Dukes disease Clinical Low-grade fever, fatigue, “slapped cheeks rash”; 80% of adults have symmetrical arthritis which may become chronic with stiffness in the morning, redness and swelling; B19 can infect the fetus before birth. See B19.

Patient discussion about erythema infectiosum.

Q. fifth month of pregnancy... Hey guys, as always, just wanted to let you know my wife and I are getting into fifth. so far doing good and we have some news.......... we're gonna have a girl!!! I'm so happy.... now the name is actually the problem... is true that orange is the new pink??

A. Thank you!! Can you share any tips for this time?? Happy new year by the way...