Immediate hypersensitivity to natural rubber latex has increased since the early 1980s. High prevalence of latex sensitization and allergy are observed among healthcare workers, atopic individuals and children who had undergone multiple surgical operations (spina bifida, congenital anomalies). Presenting symptoms are polymorphous: contact urticaria, rhinitis, conjunctivitis, asthma, and anaphylaxis. Corn-starch-latex particles released in the air after powdered gloves manipulation may be inhaled and lead to occupational asthma. The diagnosis may be made by a focused clinical history, prick-test, detection of specific IgE antibody and challenge test. Almost half of patients allergic to natural rubber latex show an associated fruit allergy: avocado, banana, kiwi, chestnut. Most of cutaneous delayed reactions (eczema) to rubber are caused by rubber additives (accelerators of vulcanization, anti-oxidants).
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