A Program for Physicians
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Slides 46 to 50
Allergic contact dermatitis can result from the process of mixing polyester resin and catalyst in body-fender work. The article being glued is fibrous glass.
In the United States, all cement contains chromium. Allergic sensitivity to dichromate is often associated with a cement dermatitis. In such cases the primary irritant action of the alkali plus the abrasive and hygroscopoc properties of cement precede and favor sensitization by the chrome salts.
Allergic contact dermatitis due to rubber chmicals is fairly common in industry. Chemial accelerators that speed up the vulcanization raction and antixidants are the more frequent allergens. They present a potential hazard in finishing goods as well.
The Rhus genus of plants include poison ivy, poison oak and poison sumac. These plants pose a significant occupational problem to a diverse group of workers in highway maintenance, construction, utilities, agriculture and other occupations with outdoor exposures. Poison ivy dermatitis may even be acquired from the smoke burning plants.
Repeated exposure to relatively small amounts of airborne allergens can cause dermatitis at points of contact, as shown in this example of dermatitis in a florist due to chrysanthemums. Airborne patterns tend to involve the wrinkles and folds of the exposed body areas. Many of the common allergens are pollens and dusts.
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