One of the most common complaint patients see an allergy specialist for is skin rashes. Usually restricted to small area that has contacted an offending allergen, it can spread and cause additional problems if it is left untreated. Almost same as other types of irritations, skin rashes can be anywhere from inconvenient to debilitating and can be a result of a many issues, that are found in a variety of products making isolation difficult except with patch testing.

Many skin irritations can develop later in life, while other become apparent at the first sign of exposure. Many of the products to which people are allergic are common and seem almost innocuous as to causing skin rashes. Products made of jewelry metal such as gold, silver and nickel are most likely considered as the cause of irritations, and in some people, even the smallest trace of the element can cause a spread oot.

While the most common cure for skin rashes is to avoid contact with the offending product. Corticosteroid cream is known to cure skin allergies.

Common Items That Can cause trouble

Apart from precious metals used in jewelry, ingredients in many common items are known to cause allergic reactions in some people. Thimeroral is a mercury compound often found in antiseptics and vaccines can cause skin rashes in some patients. A common ingredient in cosmetics, deodorant, soap and pet food, neomycin sulfate has also been know to cause rashes in some users.

Quaternium 15, commonly used as a preservative in self-tanning lotions, shampoo, nail polish and sunscreen can also cause skin rashes and bacitracin, used as a topical antibiotic is also known to cause skin allergy rashes.

Formaldehyde is used in a variety of products  from  medications, household cleaners and cosmetics and has been known to cause severe rashes in some people. Cobalt chloride,used in in hair dye, antiperspirant and alloyed with metals for buttons and snaps can also be a problem for allergic users. It can a long time to identify the exact cause of skin irritation and as of now the patch test is about the only way to narrow down the choices. Consulting an allergist for persistent skin rashes will help decide if the test is necessary to isolate the offending product.

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