![]() ![]() That means anytime you come into contact with nickel, your immune system will respond and produce an allergic response. Once your body has developed a reaction to a particular agent (allergen) - in this case, nickel - your immune system will always be sensitive to it. Normally, your immune system only reacts to protect your body against bacteria, viruses or toxic substances. As with other allergies, nickel allergy develops when your immune system views nickel as a harmful, rather than harmless substance. The exact cause of nickel allergy is unknown. The lower photo shows nickel allergy from metal in clothing, such as a belt buckle. ![]() ![]() The top photo shows a positive patch test (on the left), after a patch containing nickel was left on the skin for 48 hours. Nickel allergy is a condition in which contact with items containing nickel causes an itchy rash and possibly blisters at the site of contact. Signs and symptoms that might indicate an infection include: If you think the area may have become infected, see your doctor right away. However, if these treatments don't help, call your doctor. If you've already been diagnosed with nickel allergy and are sure you're reacting to nickel exposure, use the over-the-counter treatments and home remedies your doctor has previously recommended. If you have a skin rash and don't know how you got it, talk to your doctor. Blisters and draining fluid in severe cases.Dry patches of skin that may resemble a burn.Nickel allergy signs and symptoms include: The reaction tends to occur only where your skin came into contact with nickel, but sometimes may appear in other places on your body. The reaction may last as long as 2 to 4 weeks. An allergic reaction (contact dermatitis) usually begins within hours to days after exposure to nickel. ![]()
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