Table of Contents
- Allergy facts
- Allergy overview
- What is an allergy?
- What is an allergy? (Continued)
- What causes allergies?
- What causes allergies? (Continued)
- Who is at risk for allergies and why?
- What are common allergic conditions, and what are allergy symptoms and signs?
- Allergic rhinitis (hay fever)
- Allergic eyes (conjunctivitis)
- Eczema (atopic dermatitis)
- Hives (urticaria)
- Where are allergens?
- In the Air We Breathe
- In What We Ingest
- Touching Our Skin
- Injected Into Our Body
Quick GuideAllergy: What Happens in a Nasal Allergy Attack
Touching Our Skin
Contact dermatitis is an inflammation of the skin that is caused by local exposure to a substance. The majority of these localized skin reactions do not involve IgE but are caused by other inflammatory cells. A good example is poison ivy. Examples of substances that commonly cause contact dermatitis include the following:
- Plants (poison ivy, poison sumac, and poison oak)
- Nickel and other metals
- Cosmetics Continue Reading
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Price D, Bond C, Bouchard J, Costa R, Keenan J, Levy ML, Orru M, Ryan D, Walker S, Watson M. International Primary Care Respiratory Group (IPCRG) Guidelines: management of allergic rhinitis. Prim Care Respir J. 2006 Feb;15(1):58-70. Epub 2005 Dec 27.
American College of Allergy, Asthma, & Immunology. Food allergy: a practice parameter. Ann Allergy Asthma Immunol. 2006 Mar;96(3 Suppl 2):S1-68. No abstract available.
Flinterman AE, Pasmans SG, Hoekstra MO, Meijer Y, van Hoffen E, Knol EF, Hefle SL, Bruijnzeel-Koomen CA, Knulst AC. Determination of no-observed-adverse-effect levels and eliciting doses in a representative group of peanut-sensitized children. J Allergy Clin Immunol. 2006 Feb;117(2):448-54.
Scibilia J, Pastorello EA, Zisa G, Ottolenghi A, Bindslev-Jensen C, Pravettoni V, Scovena E, Robino A, Ortolani C. Wheat allergy: a double-blind, placebo-controlled study in adults. J Allergy Clin Immunol. 2006 Feb;117(2):433-9.
Medically Reviewed By: Ellen Reich, MD, Board Certified in Allergy and Immunology, Board Certified in Pediatrics and Michael Manning, MD, of the American Board of Allergy and Immunology.
5.iStock, Getty Images, iStock
6.Charles Daghlian, Getty Images/ScienceFoto, iStock
11.iStock, Color Atlas of Pediatric Dermatology Samuel Weinberg, Neil S. Prose, Leonard Kristal Copyright 2008, 1998, 1990, 1975, by the McGraw-Hill Companies, Inc. All rights reserved.
19.Dartmouth Electron Microscope Facility, Dartmouth College
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