what is a nickel allergy

(image thanks to elarsen797.hubpages.com)

No, it’s not being allergic to money. But as many of you know, some people are allergic to the metal nickel. This usually manifests as redness of the skin, which occurs when the skin comes in contact with nickel. This is what we might call a more classic allergic reaction, different from the hidden types of food allergies commonly discussed in this newsletter.

A nickel allergy is often discovered when exposure to an item of clothing or jewelry leads to a read rash. This may occur when a fastener made from nickel, such as the button on your pants, comes into contact with your belly and leads to a rash. Or when a piece of jewelry containing nickel, such as an earring, bracelet, watchband, etc. comes into contact with your skin and causes a rash. These reactions are often readily apparent to the wearer and are called contact dermatitis. But nickel allergies can also trigger eczema on other areas of the skin.

What does all of this have to do with digestive problems?

Far more than you might imagine. The digestive tract is a highly specialized extension of your skin. It is a continuation of the epithelial tissue that surrounds the rest of your body. Therefore, it should not be too surprising to realize that if something affects your skin, then it could also impact your digestive tract as well and cause abdominal pain, diarrhea, and other digestive problems. An astute reader recently wrote us and asked why we had never talked about this before. Frankly, it never occurred to us. But upon further investigation, it certainly makes sense.How Your GI Tract Gets Exposed to Nickel

Some foods are particularly high in nickel. When you ingest them the lining of your digestive tract is exposed to nickel. And like your skin, it is possible that the nickel can trigger an inflammatory reaction, except within your digestive tract.
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