[DOC] [TLE] Allergic Reaction Glossary of Terms with Medical Definitions [PAR] Allergen: A substance that can cause an allergic reaction. ... Allergic rhinitis: 
Medical term for hay fever, an allergic reaction that mimics a chronic ... See the 
entire ... Cell: The basic structural and functional unit of any living thing. .... 
Immunology: The study of all aspects of the immune system, including its 
structure and fun. [DOC] [TLE] Allergic Reaction - Healthline [PAR] Oct 13, 2015 ... An allergic reaction is when your body attacks a foreign substance, called an ... 
Overview; Causes; Symptoms; Diagnosis; Treatment; Long-term... [DOC] [TLE] Allergy - Wikipedia [PAR] These diseases include hay fever, food allergies, atopic dermatitis, allergic asthma, and anaphylaxis. ... Common allergens include pollen and certain food. Metals and other substances may also cause problems. Food, insect stings, and medications are common causes of severe reactions. [DOC] [TLE] Medical Terminology, Chapter 6 Terms, The Lymphatic and Immune ... [PAR] a substance that produces an allergic reaction in an individual ... any substance 
that the body regards as being foreign, and includes viruses, bacteria, ... by a 
condition in which the immune system produces antibodies against its own 
tissues .... a cancer that causes patches of abnormal tissue to grow under the skin
, in the... [DOC] [TLE] Allergy Symptoms - A General Overview; allergic disorders | Patient [PAR] Allergies are the body's response to a substance called an allergen. This article 
gives ... No allergic reaction takes place with a food intolerance. People with a ... 
The immune system stores this in its memory (this is called sensitisation). This 
means ... These chemicals cause the symptoms of an allergic reaction. Histamine 
is... [DOC] [TLE] Drug | definition of drug by Medical dictionary [PAR] General term for any substance, stimulating or depressing, that can be ... 3. a 
substance used recreationally for its effects on the central nervous system, such 
.... n.pl a class of drugs used to combat illnesses, such as HIV, that are caused by 
viruses. ... n an allergic reaction that occurs after exposure to a suspect 
medication. [DOC] [TLE] Definition of Allergic reaction - MedicineNet [PAR] The No-Diet Approach ... Allergic reaction: The hypersensitive response of the 
immune system of an allergic individual to a substance. ... This army of IgE 
antibodies attacks and engages the invading army of allergic substances of 
allergens. ... These allergic chemicals can cause muscle spasm and can lead to 
lung airway... [DOC] [TLE] Allergic Reactions: Symptoms, Triggers, and Treatments - WebMD [PAR] Allergic reactions can affect your eyes, skin, breathing or more. ... The cells then 
send out histamine, which causes blood vessels to expand, and other chemicals
... [DOC] [TLE] Allergies - NHS Choices [PAR] Substances that cause allergic reactions are called allergens. The more ... Your 
GP can help determine whether it's likely you have an allergy. If your GP thinks... [DOC] [TLE] Antibody and Antigen - humans, body, used, process, life, type, form ... [PAR] Antigens are any substance that stimulates the immune system to produce 
antibodies. ... Allergen: A foreign substance that causes an allergic reaction in the 
body. ... When an allergen such as pollen binds with its specific IgE antibody, it 
stimulates the ... Jenner called his method "vaccination," using the Latin words 
vacca,... [DOC] [TLE] Allergic Reaction | AAAAI [PAR] While these are symptoms of some types of allergic disease, it's important to 
understand ... This reaction usually causes symptoms in the nose, lungs, throat, 
sinuses, ears, ... It is not yet fully understood why some substances trigger 
allergies and ... of shots or tablets is an effective, cost-efficient long term treatment 
approach. [DOC] [TLE] Contact dermatitis: MedlinePlus Medical Encyclopedia [PAR] It is not caused by an allergy, but rather the skin's reaction to a very irritating 
substance. ... Cement; Hair dyes; Long-term exposure to wet diapers; Pesticides 
or weed ... in contact with a substance that causes you to have an allergic 
reaction. ...

Question: It's the term for any substance that causes an allergic reaction
Answer: Allergen