Health Article description.Provides links to info about allergies. Includes allergic rhinitis and food allergies. Also looks at controlling indoor allergens and whether you should have allergy shots.

Health Article description.Guides you through decision to have allergy-shot immunotherapy to treat allergic rhinitis (hay fever) and allergic asthma. Explains how allergy shots work. Covers who should not have them. Includes interactive tool to help you make your decision.

Health Article description.What is a penicillin allergy? A penicillin allergy is an allergic reaction that occurs when your body's immune system overreacts to these antibiotics. Many people who believe that they have an allergy to penicillin don't have it. They may have a side effect, rather than an allergic reaction. Tests can show if you have a...

Health Article description.Allergy shots are a type of immunotherapy to help treat allergic rhinitis and allergic asthma. Small doses of substances (allergens) are injected under the skin. This may help your immune system reduce or eliminate sensitivity to the allergen that causes an allergic reaction. A doctor will do skin or blood tests to find...

Health Article description.Allergy to metal An allergic reaction to metal is an overreaction of the body's immune system to a substance (allergen) in a metal. An allergic reaction to metal can cause intense swelling, pain, and itching. Nickel is the most common metal allergen. Jewelry that does not trigger an allergic reaction is made from...

Health Article description.When you have allergic rhinitis, you may feel better or worse at different times of the year. Learning what triggers your allergy symptoms will help you manage and treat your allergies. Managing your allergies is an important part of your health...

Health Article description.Allergy shots are a type of immunotherapy treatment. Small doses of substances to which you are allergic (allergens) are injected under your skin. Over time, your body may become less responsive to the allergens. This means that you may have fewer...

Health Article description.Dust and dust mites are a common indoor allergen. Allergens are things that can trigger an allergic reaction. Allergens can cause a rash, a stuffy nose, or other symptoms such as wheezing or coughing. Dust mites are visible only through a microscope.

Health Article description.Guides through decision to take shots for insect sting allergies. Describes different types of allergic reactions. Includes how allergy shots work. Covers benefits and risks. Includes an interactive tool to help you make your decision.

Health Article description.What is latex allergy? A latex allergy is an allergic reaction that happens after repeated contact with latex, such as latex gloves. It affects people who are often exposed to rubber products. What products may cause latex allergy? Medical products that may contain latex include: Gloves. Drains, tourniquets, urinary...

Health Article description.Allergens, also called antigens, are substances that can trigger an allergic reaction. Having allergies means that the body reacts to allergens as a harmful foreign substance. Allergens may be: Inhaled in the form of pollens, mold, chemicals, material from the droppings of cockroaches and house dust mites, or animal...

Health Article description.Discusses ways to avoid indoor allergy triggers. Covers common indoor allergens such as dust mites and pet dander. Offers cleaning tips to reduce allergens in the home.

Health Article description.Explains what a drug allergy is. Offers a list of symptoms. Covers medicines that can cause an allergic reaction. Discusses how allergies are diagnosed and treated. Provides home treatment options. Covers when to call a doctor.

Health Article description.A drug allergy happens when the body's immune system overreacts to a substance (allergen) in a medicine that the person has taken. This causes an allergic reaction. Symptoms can include hives or welts, shortness of breath, rash, swelling, redness, and blisters. A drug allergy can cause anaphylaxis in certain people...

Health Article description.Allergies occur when your body's defense system (immune system) overreacts to certain substances (allergens). The immune system treats a harmless substance as if it were a harmful invader. Many things can cause this to happen. Your allergies are...

Health Article description.Explains what allergy-shot immunotherapy is, why it is done, and what allergies it can help. Covers how it is done, how well it works, and what to expect after treatment. Covers risk factors.

Health Article description.Particles in the air (called allergens) can cause allergy symptoms such as sneezing; runny nose; itchy, watery eyes; and itchy ears, nose, and throat.

Health Article description.Atopy (say "AT-uh-pee") is a predisposition to have allergic reactions. People who have this predisposition are called atopic (say "ay-TOP-ick"). Atopic people often have at least one allergic condition, such as asthma, allergic rhinitis (hay fever), atopic dermatitis, hives or angioedema, or food allergies. The...

Health Article description.A peanut allergy is a reaction that occurs when your body mistakenly identifies peanuts as a harmful substance. When you eat peanuts or food that contains peanuts, your body's immune system overreacts. This can cause a severe allergic reaction that...

Health Article description.If you drink or eat dairy products and are breastfeeding, the cow's milk protein is passed to your baby. Cow's milk protein is also an ingredient in most infant formulas. Some babies are allergic to this protein. Signs of cow's milk protein allergy...

Health Article description.Cockroaches leave behind particles from their feces, eggs, and shells that can cause an allergic reaction. These particles, called allergens, can travel through the air, and you can breathe them into your lungs. They can cause coughing, sneezing,

Health Article description.Discusses causes and symptoms of food allergies. Covers what increases risk. Discusses treatment options, including medicine choices. Offers home care and prevention tips. Covers when to call a doctor.

Health Article description.Discusses allergic rhinitis. Covers common immediate and chronic symptoms. Looks at what increases risk. Covers treatment options. Offers prevention and treatment tips.

Health Article description.Briefly discusses common allergies, including ones to food, medicine, insect stings, latex, and animals. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

Health Article description.Explains allergies to insect stings. Covers symptoms. Discusses local and systemic reactions. Covers diagnosis and treatment options. Offers home treatment tips.