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Query: UMLS:C0042109 (urticaria)
 6,569 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The rapid proliferation of complex plastic polymers and resins has led to a marked increase of work-induced asthma due to low molecular weight agents. Phthalates are frequently used in the manufacture of epoxy resins, plasticizers, adhesives and a wide variety of other materials. They have recently been identified as an important irritant and immunogen of at least four occupational respiratory syndromes, i.e., asthma/rhinitis, late respiratory systemic syndrome, pulmonary disease-anemia syndrome, and an irritant reaction. Isocyanates are extensively employed in the production of polyurethane foams, adhesives, paints and other plastic products. They have been incriminated in the causation of occupational lung disease since 1951. It appears that both specific IgE-mediated and non-specific irritant mechanisms are operative in isocyanate-induced asthma. Formaldehyde is a widely used irritating chemical, mainly employed as disinfectant or in the production of multiple resin products employed in the wood, shoe, and clothing industries. Several of these resin products can give off formaldehyde fumes causing occupational and non-occupational dermatitis, urticaria, bronchitis and reactive airway disease. Colophony pine resin used in virtually all soft soldering fluxes, and paraphenylene diamine used in the fur, paint and rubber industries have also been implicated in the generation of industrial asthma. Awareness of where such agents are likely to be encountered, together with patterns of respiratory disease induced, should facilitate earlier diagnosis.
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PMID:Occupational asthma secondary to low molecular weight agents used in the plastic and resin industries. 686 19

Previous reports have linked nonright-handedness with allergies including hay fever, asthma, eczema and urticaria. The present study examined reactions to 20 common allergens (e.g., food, animal fur, dust, drugs, etc.) in a sample of 430 subjects. Individuals who were left-handed or not consistently right-handed showed an elevated frequency of allergic reactions. The criteria used to determine handedness and the existence of allergies are both important factors. The stringent criterion of consistent right-handedness versus nonright-handedness was a more sensitive measure in detecting allergic individuals than was the simple dichotomy of left- versus right-handed. The association with handedness was stronger for individuals with more than one allergy.
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PMID:Handedness and allergic response. 796 Apr 79

Roe deer (Capreolus capreolus) is one of the most common game mammals in Europe, where hundreds of thousands people are exposed to this animal. Despite this fact, we are aware of only two cases of allergy to roe deer published until recently, one case of allergic rhinoconjunctivitis and asthma and the second of contact urticaria. We describe another case with co-existing allergic contact urticaria and rhinitis in a 55-year old male professional hunter. The symptoms were provoked only by exposure to roe deer, and there were no other past or present allergic diseases. Specific IgE was found to following animal allergens: cow dander (CAP class 5), goat epithelium and horse dander (each CAP class 4), dog epithelium, dog dander and swine epithelium (each CAP class 2). Skin prick tests have shown positive reaction only to cow epithelium (+). Because of lack of deer dander allergen for specific IgE and skin tests, we have confirmed the causal relationship between exposure to roe deer and allergy using the rub test with roe deer's fur. There was a clearly positive urticarial reaction on the patient's skin accompanied by nasal itch, sneezing and rhinorrhea. No reaction was seen in a control person. We surmise that the positive tests with cow epithelium seen in this patient may result from a cross-reactivity to deer allergens. We conclude that although occupational allergies to roe deer seem to be rare, such possibility should be always considered among people having contact with these animals.
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PMID:Allergic contact urticaria and rhinitis to roe deer (Capreolus capreolus) in a hunter. 1208 8

Turmeric, a spice derived from the rhizome of the plant Curcuma longa, contains the chemical curcumin, which is responsible for turmeric's taste, color, and biologic properties. Curcumin is used as a spice in foods, as a treatment in traditional medicine, as a dye for fur, and as a component in nutritional supplements. A few cases of allergic contact dermatitis from curcumin have been reported. We report two cases of contact urticaria from curcumin. These cases are mediated by two different mechanisms of contact urticaria: nonimmunologic and immunologic (immunoglobulin-E mediated).
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PMID:Contact urticaria from curcumin. 1715 Jan 69