Health Information

Allergy and Asthma

  • Topic Index - Allergy and Asthma

    Detailed information on allergy and asthma, including causes, symptoms, diagnosis, control, and treatment

  • All About Allergy

    Detailed information on allergy, including symptoms, diagnosis, and treatment

  • Treatment for Allergy

    The three most effective ways to treat allergies are avoidance, immunotherapy, and medication.

  • Allergens: Animals

    Household pets, like cats and dogs, are the most common sources of animal allergens.

  • All About Asthma

    Asthma is a chronic, inflammatory lung disease with recurrent breathing problems.

  • Allergens: Chemical Sensitivity

    Detailed information on synthetic and natural substances that cause sensitivity to the skin

  • Allergens: Triggers of Allergy Attacks

    Detailed information on allergy triggers and symptom control

  • Contact Dermatitis

    Detailed information on contact dermatitis, including symptoms, diagnosis, and treatment

  • Diagnostic Procedures for Allergy

    Detailed information on allergy testing, including blood testing (rast testing) and scratch testing

  • Allergens: Dust and Dust Mites

    Dust mites are microscopic organisms that can live and thrive throughout homes and businesses.

  • Egg Allergy Diet

    Detailed information on egg allergy, a type of food allergy, including egg-free recipes and egg substitutes

  • Asthma and Exercise

    Exercise-induced asthma is different from the typical asthma that is triggered by allergens and/or irritants.

  • Allergens: Food

    Detailed information on food allergy, including food intolerance and food allergy symptoms, diagnosis, and treatment

  • Home Page - Allergy and Asthma

    Detailed information on allergy and asthma, including causes, symptoms, diagnosis, control, and treatment

  • Allergen: Insect Stings

    Detailed information on allergic reactions to insect bites and stings

  • Diet for Lactose Intolerance

    Detailed information on lactose intolerance, including a list of foods that contain lactose

  • Latex Allergy

    Symptoms of latex allergy include watery or itchy eyes, wheezing, hives, flushing or a skin rash, itching, or swelling.

  • Milk Allergy Diet

    Detailed information on milk allergy, a type of food allergy, including milk-free recipes and milk substitutes

  • Controlling Asthma Triggers at Work

    Many people with asthma have symptoms from triggers in the workplace. This is called occupational asthma.

  • Online Resources - Allergy and Asthma

    List of online resources to find additional information on allergy and asthma

  • Peak Flow Meter

    A peak flow meter for asthma is like a thermometer for a fever—it helps you monitor what's going on inside your lungs by measuring airflow out of the lungs.

  • Peanut Allergy Diet

    Detailed information on peanut allergy, a type of food allergy, including potential sources of peanut protein and other sources of peanut and peanut products

  • Allergens: Poison Ivy/Poison Oak/Poison Sumac

    Poison ivy, poison oak, and poison sumac can all cause bumps and blisters that itch. Teach your children what these plants look like and how to avoid them.

  • Allergens: Pollen

    Pollen is the most common cause of seasonal allergic rhinitis, sometimes known as "hay fever."

  • Asthma and Pregnancy

    With proper asthma management and good prenatal care, most women with asthma can have healthy pregnancies.

  • Rhinitis

    Rhinitis is a reaction that occurs in the eyes, nose, and throat when airborne irritants such as pollen or mold trigger allergy symptoms.

  • Shellfish Allergy Diet

    Detailed information on shellfish allergy, a type of food allergy, including how to read a label for an shellfish-free diet

  • Soy Allergy Diet

    Detailed information on soy allergy, a type of food allergy, including how to read a label for a soy-free diet and other potential sources of soy or soy product

  • Allergy and Asthma Statistics

    More than 22 million Americans have been diagnosed with asthma. Find out other facts and figures on this chronic disease.

  • Symptomatic Conditions of Allergy

    Detailed information on symptomatic conditions of allergy, including asthma, atopic dermatitis, contact dermatitis, rhinitis, and urticaria

  • Allergies and the Immune System

    Most allergic reactions are a result of an immune system that responds to a "false alarm."

  • Tree Nut Allergy Diet

    Detailed information on tree nut allergy, a type of food allergy, including how to read a label for a tree nut-free diet

  • Urticaria/Hives

    Detailed information on urticaria, also called hives, including what food and medicines commonly cause hives

  • Wheat Allergy Diet

    Detailed information on wheat allergy, a type of food allergy, including how to read a label for a wheat-free diet

  • Allergy Overview
  • Asthma

    Detailed information on asthma attack triggers and avoidance of allergens and other irritants

  • Atopic Dermatitis (Eczema)

    Atopic dermatitis is a hereditary and chronic skin disorder that mostly affects infants and young children, but may last until a child reaches adolescence or adulthood.

  • Your Child's Asthma

    How asthma will affect a child throughout his/her lifetime varies, depending on the child.

  • IgG Deficiencies

    Immunoglobulin G, also known as IgG, is one type of a special kind of protein in the body called immunoglobulin. A person with an IgG deficiency is more likely to get infections.

  • Pemphigus Vulgaris

    Pemphigus is a rare group of autoimmune diseases that causes blisters on the skin and mucous membranes throughout the body. Pemphigus vulgaris is the most common type of pemphigus.

  • Immunotherapy: What is it?

    Scientists have found a way to use the body's immune system to help treat or defend against a number of health problems. This treatment is known as immunotherapy.

  • Immunoglobulin A Deficiency

    Most people with an IgA deficiency don’t have any symptoms related to the disorder. In these cases, it’s found on a blood test, if it’s found at all.

  • Your Asthma Health Care Team

    When you have asthma, you’ll have a team to help you manage your condition. Together, you’ll create your asthma action plan. You may see several health care providers every year who help keep you healthy.

  • Wegener’s Granulomatosis

    Wegener’s granulomatosis is a condition of the immune system that causes swelling and irritation in blood vessels and other tissues. This inflammation reduces or stops the flow of blood to organs in the body.

  • Sjögren’s Syndrome

    Sjögren’s syndrome is estimated to be one of the most common autoimmune disorders in the U.S. About 4 million Americans are affected by Sjögren’s syndrome. About 90 percent are women.

  • Monoclonal Gammopathies

    These conditions cause no symptoms. In fact, monoclonal protein in the blood is often found by accident when doing other routine blood work.

  • Gaucher Disease

    Gaucher disease is an inherited metabolic disorder known as a lipid storage disease. When you have gaucher disease, you’re missing an enzyme needed to break down lipids normally.

  • Wilson Disease

    Wilson disease is a rare disease that causes the mineral copper to build up in your body.

  • Glycogen Storage Disease

    Glycogen storage disease is an inherited condition that changes the way your body uses glycogen, a form of glucose, or sugar.

  • Lymphoma

    Lymphomas are cancers that affect the white blood cells and lymphatic system. This system includes hundreds of lymph nodes, which are found all over the body, and the lymphatic vessels that link the nodes.