This is a list of allergieswhich includes the allergenpotential reactions, and a brief description of the cause where applicable. Many substances can cause an allergic reaction when in contact with the human integumentary system. From Wikipedia, the free encyclopedia. Wikipedia list article.
Main article: Food allergy. Main article: Drug allergy. Allergic inflammation Elimination diet Food intolerance Oral allergy syndrome List of inclusion bodies that aid in diagnosis of cutaneous conditions List of cutaneous conditions List of genes mutated in cutaneous conditions List of target antigens in pemphigus List of specialized glands within the human integumentary system.
Retrieved 25 June BMJ Case Reports. International Archives of Allergy and Immunology.
September Allergology International. Retrieved 15 September The Western Journal of Medicine. Retrieved 6 September August Molecular Immunology. The Journal of Allergy and Clinical Immunology. Retrieved Journal of Asthma and Allergy.
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List of allergens
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The Allergy Outlook is unavailable for your location. Set your default location. More than 67 million americans suffer from allergy symptoms, including hay fever. But, what is an allergy? What is an allergic reaction? What are common allergy symptoms? What allergy treatments are available? Pollen is one of the most common allergens in the United States. Pollen is an airborne allergen, which is picked up and carried by the wind. Various trees, grasses and weeds create pollen, which can cause hay fever, irritate your eyes and skin.
Track Your Allergies with Pollen. Previous Next. Allergy Learn about allergy causes and symptoms. Forecast Get your 5 day local allergy forecast. Research Research plants to understand allergy triggers.
Tools Allergy emails, allergy diary, mobile apps. Health Tips: Treating an Earache Suggestions to soothe your child's pain. Help Protect Kids from Flu If they're 6 months or older, have them vaccinated. Preventing Pneumonia Continue.
The Benefits of Oxygen Therapy Here's how it can help. Allergy Information. What Are Seasonal Allergies? Full Article. What is Pollen?An allergen is a type of antigen that produces an abnormally vigorous immune response in which the immune system fights off a perceived threat that would otherwise be harmless to the body.
Such reactions are called allergies. In technical terms, an allergen is an antigen that is capable of stimulating a type-I hypersensitivity reaction in atopic individuals through Immunoglobulin E IgE responses. However, some individuals may respond to many common environmental antigens. This hereditary predisposition is called atopy. In atopic individuals, non-parasitic antigens stimulate inappropriate IgE production, leading to type I hypersensitivity.
Sensitivities vary widely from one person or from one animal to another. A very broad range of substances can be allergens to sensitive individuals. Allergens can be found in a variety of sources, such as dust mite excretion, pollenpet danderor even royal jelly. Officially, the United States Food and Drug Administration does recognize eight foods as being common for allergic reactions in a large segment of the sensitive population.
These include peanuts, tree nuts, eggs, milk, shellfish, fish, wheat and their derivatives, and soy and their derivatives, as well as sulfites chemical-based, often found in flavors and colors in foods at 10ppm and over. See the FDA website for complete details. Other countries, in view of the differences in the genetic profiles of their citizens and different levels of exposure to specific foods due to different dietary habits, the "official" allergen list will change.
Canada recognizes all eight of the allergens recognized by the US, and also recognizes sesame seeds,  and mustard. Another allergen is urushiola resin produced by poison ivy and poison oakwhich causes the skin rash condition known as urushiol-induced contact dermatitis by changing a skin cell's configuration so that it is no longer recognized by the immune system as part of the body.
Various trees and wood products such as paper, cardboard, MDF etc. An allergic reaction can be caused by any form of direct contact with the allergen—consuming food or drink one is sensitive to ingestionbreathing in pollen, perfume or pet dander inhalationor brushing a body part against an allergy-causing plant direct contact.
Other common causes of serious allergy are wasp fire ant  and bee stings,  penicillin and latex. An extremely serious form of an allergic reaction is called anaphylaxis.
One form of treatment is the administration of sterile epinephrine to the person experiencing anaphylaxis, which suppresses the body's overreaction to the allergen, and allows for the patient to be transported to a medical facility. In addition to foreign proteins found in foreign serum from blood transfusions and vaccinescommon allergens include:.
Seasonal allergy symptoms are commonly experienced during specific parts of the year [ where?How do I diagnose an allergy? How can I find the cause? There can be thousands of materials that you are allergic to. But usually people are allergic to the same things cats, pets in general, type of foods and so forth.
Can it be that I stopped being allergic to cats? I was allergic to cats in my childhood, and yesterday a friend cat jumped on me and nothing happened. Related to Allergen: Allergen immunotherapy. Allergens are used to test a patient for hypersensitivity to specific substances see skin test.
They are also used to desensitize or hyposensitize allergic individuals see immunotherapy.
Track Your Allergies
Almost any substance in the environment can be an allergen. The list of known allergens includes plant pollens, spores of mold, animal dander, house dust, foods, feathers, dyes, soaps, detergents, cosmetics, plastics, and drugs.
Allergens can enter the body by being inhaled, swallowed, touched, or injected. Once the allergen comes in contact with body cells it sets off a series of immune responses that can range from localized inflammation to a fatal systemic anaphylaxis.
All rights reserved. A substance, such as pollen, that causes an allergy. Published by Houghton Mifflin Company. Segen's Medical Dictionary. Youngson Collins Dictionary of Biology, 3rd ed. Hale, V. Saunders, J. Margham A foreign substance, such as mites in house dust or animal dander which, when inhaled, causes the airways to narrow and produces symptoms of asthma.Allergan delivers life-enhancing innovations to help people around the world live healthier lives.
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Costa Rica. Czech Republic. Czech Republic Site. Dominican Republic. El Salvador. France Site. Germany Site. Hong Kong China. India Site. Ireland Site. Italy Site. Japan Site. Korea Site.Allergies occur when your immune system reacts to a foreign substance — such as pollen, bee venom or pet dander — or a food that doesn't cause a reaction in most people. Your immune system produces substances known as antibodies. When you have allergies, your immune system makes antibodies that identify a particular allergen as harmful, even though it isn't.
When you come into contact with the allergen, your immune system's reaction can inflame your skin, sinuses, airways or digestive system. The severity of allergies varies from person to person and can range from minor irritation to anaphylaxis — a potentially life-threatening emergency.
While most allergies can't be cured, treatments can help relieve your allergy symptoms. Allergy symptoms, which depend on the substance involved, can affect your airways, sinuses and nasal passages, skin, and digestive system.
Allergic reactions can range from mild to severe. In some severe cases, allergies can trigger a life-threatening reaction known as anaphylaxis. Atopic dermatitis, an allergic skin condition also called eczema, can cause skin to:. Some types of allergies, including allergies to foods and insect stings, can trigger a severe reaction known as anaphylaxis.
A life-threatening medical emergency, anaphylaxis can cause you to go into shock.
Signs and symptoms of anaphylaxis include:. You might see a doctor if you have symptoms you think are caused by an allergy, and over-the-counter allergy medications don't provide enough relief. If you have symptoms after starting a new medication, call the doctor who prescribed it right away. For a severe allergic reaction anaphylaxiscall or your local emergency number or seek emergency medical help. If you carry an epinephrine auto-injector Auvi-Q, EpiPen, othersgive yourself a shot right away.
Even if your symptoms improve after an epinephrine injection, you should go to the emergency department to make sure symptoms don't return when the effects of the injection wear off. If you've had a severe allergy attack or any signs and symptoms of anaphylaxis in the past, make an appointment to see your doctor.
Evaluation, diagnosis and long-term management of anaphylaxis are complicated, so you'll probably need to see a doctor who specializes in allergies and immunology. An allergy starts when your immune system mistakes a normally harmless substance for a dangerous invader. The immune system then produces antibodies that remain on the alert for that particular allergen. When you're exposed to the allergen again, these antibodies can release a number of immune system chemicals, such as histamine, that cause allergy symptoms.
Preventing allergic reactions depends on the type of allergy you have. General measures include the following:. Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission. This content does not have an English version. This content does not have an Arabic version. Overview Allergies occur when your immune system reacts to a foreign substance — such as pollen, bee venom or pet dander — or a food that doesn't cause a reaction in most people.Food allergen labelling
Request an Appointment at Mayo Clinic. More Information Allergy-proof your home. Share on: Facebook Twitter. Show references Allergy overview. Asthma and Allergy Foundation of America. Accessed July 28, Allergic reactions. American Academy of Allergy, Asthma and Immunology.