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Author: Vanessa Ngan, Staff Writer.
Textile contact dermatitis or clothing dermatitis can be defined as skin manifestations caused by wearing clothing and/or other fabrics that come into contact with skin. The source of the skin problem may be the fabric itself (i.e. reaction to textile fibres) or more commonly a contact allergy to the chemical additives used in processing the fabric, e.g. textile dyes and finishing agents.
Textile fibre can be natural, synthetic or a combination of the two materials. Natural fibres include silk, wool, cotton and linen. Synthetic or man-made fibres include rayon, nylon, polyester, rubber, fibreglass, and spandex. Although all fibres can cause irritant and allergic contact dermatitis, it is rare for them to cause allergic contact dermatitis.
Allergic skin reactions to clothing is most often a result of the formaldehyde finishing resins, dyes, glues, chemical additives and tanning agents used in processing the fabric or clothing. Cases of allergic contact dermatitis have been reported for the following fabric additives.
Metallic fasteners and elastic in clothing can also cause contact dermatitis where they are in contact with skin. Metallic stud fasteners on blue jeans are a common cause of nickel dermatitis.
Textile contact dermatitis is typically characterized by delayed reactions such as redness, scaling and itchiness. The symptoms may appear within hours of contact with the material, or sometimes a reaction may not be seen until days later.
The areas of the body most often affected are the crooks of the arm, backs of the knees, armpits, groin area and buttocks; places that are in most contact with the clothing. In addition, the dermatitis may worsen with constant rubbing by the fabric against the skin and by sweating in hot/humid environments. Sometimes the friction from clothing can cause a condition called intertrigo. In some situations the rash can become secondarily infected with yeast or bacterial organisms.
Textile contact dermatitis is more common in women than in men. This is most probably because women wear more “fitting” and colourful clothing. Anyone may be affected but people with atopic dermatitis or sensitive skin are at greater risk. Other groups of people that may be at greater risk include obese or heavier individuals and those that work in hot/humid environments such as bakeries, restaurant kitchens, foundries and laundries. Textile contact dermatitis is a significant problem for workers in the textile industry.
Diagnosis by performing special allergy tests, i.e. patch tests, may involve testing against a number of different chemicals due to the many potential allergens that may be present in the fabric. It is often very difficult to determine the exact cause because textiles nowadays have been manufactured using a cocktail of dyes, resins and other substances. Also, clothing is not labeled with a list of chemicals it may possess.
See individual contact allergens for patch testing recommendations.
Contact dermatitis should clear rapidly once the offending fabric/clothing is removed. Over-the-counter creams and ointments containing mild topical steroids, such as hydrocortisone 0.5-2.5%, may be used to help control itching, swelling, and redness. In more severe cases, a prescription steroid cream may be required, as well as oral antibiotics if the skin becomes infected.
If you suffer from textile contact dermatitis the best way to prevent any problems is by avoiding all clothing or fabrics that contain the allergen you are sensitive to. Sometimes this will be difficult to do as textiles are treated with a concoction of chemicals and dyes that are not individually identified. Some steps you can take to reducing contact dermatitis reactions include:
Your dermatologist may have further specific advice, particularly if you are highly sensitive to particular textile allergens.
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