Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0042109 (urticaria)
 6,569 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

We report 2 cases of nonspecific postvaccinial dermatitis following smallpox vaccination. The patients presented with diffuse, pruritic, erythematous macules and papules 11 days (case 1) and 7 days (case 2) following routine smallpox vaccination. Biopsies of the lesions demonstrated spongiotic dermatitis without evidence of viral cytopathic changes. One case showed a pityriasis rosea-like histologic pattern. The exanthema resolved without sequelae with symptomatic treatment (case 1). Review of historical literature demonstrated the association of a variety of nonspecific cutaneous complications with vaccinia inoculation, including erythema multiforme, urticaria, and pityriasis rosea. The association of these various dermatitides with smallpox immunization is not well known and is likely underreported.
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PMID:Papular spongiotic dermatitis of smallpox vaccination: report of 2 cases with review of the literature. 1538

Vaccinations are important for infectious disease prevention; however, there are adverse effects of vaccines, many of which are cutaneous. Some of these reactions are due to nonspecific inflammation and irritation at the injection site, whereas other reactions are directly related to the live attenuated virus. Rarely, vaccinations have been associated with generalized hypersensitivity reactions, such as erythema multiforme, Stevens-Johnson syndrome, urticaria, acute generalized exanthematous pustulosis, and drug hypersensitivity syndrome. The onset of certain inflammatory dermatologic conditions, such as lichen planus, granuloma annulare, and pemphigoid, were reported to occur shortly after vaccine administration. Allergic contact dermatitis can develop at the injection site, typically due to adjuvant ingredients in the vaccine, such as thimerosal and aluminum. Vaccinations are important to promote development of both individual and herd immunity. Although most vaccinations are considered relatively safe, there may be adverse effects associated with any vaccine. Cutaneous manifestations make up a large portion of the types of reactions associated with vaccines. There are many different reasons for the development of a cutaneous reaction to a vaccination. Some are directly related to the injection of a live attenuated virus, such as varicella or vaccinia (for immunity to smallpox), whereas others cause more nonspecific erythema and swelling at the injection site, as a result of local inflammation or irritation. Vaccinations have also been associated in rare reports with generalized hypersensitivity reactions, such as erythema multiforme, Stevens-Johnson syndrome, urticaria, acute generalized exanthematous pustulosis, and drug hypersensitivity syndrome. There have been case reports associating the administration of a vaccine with the new onset of a dermatologic condition, such as lichen planus, granuloma annulare, and Sweet syndrome. Finally, allergic contact dermatitis can develop at the injection site, typically due to adjuvant ingredients in the vaccine, such as thimerosal and aluminum.
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PMID:Cutaneous reactions to vaccinations. 2588 34