
Nickel allergies are common in 10 percent of the population in the United States and 18 percent of people in North America, including 11 million children. Read more: How Common Is It to Be Allergic to Nickel? Article
Multimedia: Slideshows, Images & Quizzes
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Out-of-Control Allergy Symptoms: Treatment Relief in Pictures
Learn 10 signs your allergies are out of control. See these surprising allergy symptoms and find out how to get relief for...
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Allergies: Common Plants and Trees That Trigger Allergies
Find out more about which plants and trees might be producing pollen that is causing your itchy eyes and a runny nose.
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Picture of Nickel Contact Dermatitis from Necklace
Nickel contact dermatitis. This itchy rash is a common allergic reaction to your skin coming into contact with nickel from...
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Picture of Nickel Contact Dermatitis
Nickel contact dermatitis. This itchy rash is a common allergic reaction to your skin coming into contact with nickel from...
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Picture of Allergic Contact Dermatitis
Allergic contact dermatitis. Exposure to the oily sap (urushiol) of poison ivy, poison oak, and poison sumac can result in...
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Picture of Allergic Contact Dermatitis (Arm)
Allergic Contact Dermatitis on Arm. This example of allergic contact dermatitis is a reaction to a henna tattoo on the arm, after...
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Picture of Allergic Contact Dermatitis (Tattoo)
Allergic contact dermatitis. This is reaction by your skin after coming into contact to some substance that you are allergic to....
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Dangerous Allergies: Anaphylaxis and Life-Threatening Allergy Triggers
Common allergy triggers may provoke anaphylaxis. Hives, tongue swelling, face swelling, rashes, low blood pressure, rapid and...

SLIDESHOW
Common Allergies: Symptoms and Signs See SlideshowRelated Disease Conditions
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Contact Dermatitis
Contact dermatitis is a rash that occurs after exposure to an irritant. Symptoms of contact dermatitis include a red, elevated rash at the site of contact with the irritating substance. Contact dermatitis treatment may involve creams, application of cool water compresses, and applying topical steroids.
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Why Won’t My Allergy Symptoms Go Away?
Allergies happen when your body's immune system reacts to certain substances as though they are harmful. Allergy symptoms may not go away unless you avoid your triggers, stick to your medications, find the right combination of medications, and consider surgery.
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Atopic Dermatitis vs Contact Dermatitis
The word dermatitis refers to inflammation (redness and swelling) of the skin. Dermatitis includes various skin conditions that cause irritation or rashes on the skin. It generally causes no serious harm to the body and does not mean that the affected person’s skin is infected or unhygienic.
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Allergy Treatment Begins at Home
Avoiding allergy triggers at home is one of the best ways to prevent allergy symptoms. Controlling temperature, humidity, and ventilation are a few ways to allergy-proof the home. Cleaning, vacuuming, and using HEPA air filters also helps control allergies.
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What Causes Allergy Flare-ups?
During certain seasons, allergies can make you miserable. Learn what causes allergy flare-ups during spring and summer.
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What Are Typical Allergy Symptoms?
Allergy symptoms differ depending on the type of allergy and body part involved. For example, food allergies may cause different symptoms than nasal allergies or eye allergies. The severity of symptoms may also vary, ranging from mild irritation to a life-threatening reaction called anaphylaxis.
Treatment & Diagnosis
Medications & Supplements
Prevention & Wellness
- Health Tip: Cold, Flu or Allergy?
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- Is It a Cold or an Allergy?
- iPads Can Trigger Nickel Allergies in Kids
- Stress Tied to Worse Allergy Symptoms
- Health Tip: Pondering Allergy Shots?
- Health Tip: Recognizing a Skin Allergy
- Top 10 Causes of Skin Allergy
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