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The main treatment for it is avoiding contact with nickel-releasing metals, such as inexpensive jewelry. Another form of nickel allergy is a systemic form: systemic nickel allergy syndrome (SNAS) can mimic some of the symptoms of irritable bowel syndrome (IBS) and also has a dermatologic component. [1]
Nickel is the most common contact allergen worldwide (of people with contact dermatitis, 11.4% in Europe, 8.8–25.7% in China, and 17.5% in North America are allergic to nickel). [1] Nickel allergy, and contact allergies more generally, can develop when people are any age, but they are most likely to develop in early adulthood.
Pierced ears are a significant risk factor for contact allergies to the nickel in jewelry. [30] Earlobe tearing during the healing period or after healing is complete can be minimized by not wearing earrings, especially wire-based dangle earrings, during activities in which they are likely to become snagged, such as while playing sports.
Allergy to nickel is a common cause of contact dermatitis, with roughly 10% of the population in Western Europe and North America being sensitive to nickel. [1] [2] [3] Initial sensitisation frequently occurs from jewellery such as ear studs and other body piercings, [3] and nickel allergy is more prevalent among women than men.
Allergic contact dermatitis (ACD) is accepted to be the most prevalent form of immunotoxicity found in humans, and is a common occupational and environmental health problem. [17] By its allergic nature, this form of contact dermatitis is a hypersensitive reaction that is atypical within the population.
[28] [29] The symptom seen is generally eczema, and is often misdiagnosed as a food allergy, for instance to milk. The specific mechanism in allergies caused by earrings is the contact of nickel ions with the lymphatic system. [28] [29] The study noted that children who stopped wearing earrings did not see the disappearance of the allergic ...
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Nickel allergies affecting pierced ears are often marked by itchy, red skin. Many earrings are now made without nickel or with low-release nickel [147] to address this problem. The amount allowed in products that contact human skin is now regulated by the European Union. In 2002, researchers found that the nickel released by 1 and 2 euro coins ...