Pseudo-allergic-reactions (PAR) are clinical manifestations including urticaria, angioedema, conjunctivitis, rhinitis, asthma, and anaphylaxis. The prevalence of PAR ranges from 0.1% to 75% according to various studies. The pathogenetic mechanism of these diseases is not immunologically mediated. Food, additives, and drugs are the main responsibilities for PAR. The diagnosis of PAR is characterized by the absence of specific IgE for the suspected products. The absence of immunological mechanisms is confirmed by in vitro and in vivo tests. The treatment of PAR is similar to that of allergic diseases (antihistamine drugs, steroids, B2 agonists, epinephrine).
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View Article and Find Full Text PDFThe dose-response relationship between noise-induced hearing loss and cumulative noise exposure adjusted by the effect of hearing protection devices among workers in Southern China.
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Institute of Physical Factors and Occupational Health, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, Guangdong Province, China.
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