utorak, 5. studenoga 2013.

About Allergies: Deodorant and Antiperspirant Allergies

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From Daniel More, MD, your Guide to Allergies

 

Most adults use deodorants and/or antiperspirants on a daily basis, and are found in just about everyone's medicine cabinet. Most deodorants and antiperspirants contain fragrances, which are known to cause contact dermatitis, resulting in itching, redness and flaking of the underarm areas. Other ingredients, such as propylene glycol, lanolin and parabens are other ingredients that can cause skin allergy reactions.


Deodorant and Antiperspirant Allergy
Deodorants and antiperspirants are cosmetic products that are used by the majority of adults in the United States. Deodorants and antiperspirants are available individually or as combination products. These cosmetics are typically applied daily to the underarms in the attempt to mask odors and prevent perspiration.
Search Related Topics:  contact dermatitis  patch testing  cosmetic allergy

Allergic Reactions to Cosmetics
Cosmetic-induced contact dermatitis is common, since people may apply numerous chemicals to their skin, hair and scalp daily. Typically, the rash will occur on the skin where the cosmetic was applied, although sometimes the rash will occur on another part of the body (for example, reactions to nail polish may first cause an eyelid rash as a result of touching the eyelid). It's possible for an allergy to a substance to develop even after years of using the cosmetic without previous problems.

Patch Testing for Chemical Allergies
Patch testing is used to identify causes of contact dermatitis. Contact dermatitis is an immunologic reaction to a particular substance; poison-oak (and poison-ivy and poison-sumac) is an example of such a reaction. Contact dermatitis is not a true allergy; therefore patch testing is performed in a very different way than allergy skin testing. There are no allergic antibodies involved in contact dermatitis; rather, various white blood cells entering into the skin cause the reaction.
Search Related Topics:  allergies  allergist  allergy testing




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