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Is it a food allergy, sensitivity or intolerance? Here's how to tell, according to experts. What is the difference between a food allergy, sensitivity and intolerance?
Food intolerance is a detrimental reaction, often delayed, to a food, beverage, food additive, or compound found in foods that produces symptoms in one or more body organs and systems, but generally refers to reactions other than food allergy. Food hypersensitivity is used to refer broadly to both food intolerances and food allergies.
A food allergy is an abnormal immune response to food. The symptoms of the allergic reaction may range from mild to severe. They may include itchiness, swelling of the tongue, vomiting, diarrhea, hives, trouble breathing, or low blood pressure. This typically occurs within minutes to several hours of exposure.
Immune tolerance. Immune tolerance, also known as immunological tolerance or immunotolerance, refers to the immune system 's state of unresponsiveness to substances or tissues that would otherwise trigger an immune response. It arises from prior exposure to a specific antigen [1] [2] and contrasts the immune system's conventional role in ...
Here's how to tell which you're suffering from—and when to see a doctor.
Food allergies can be confusing to figure out. Once a food item has wrecked havoc on any part of your body, whether its an itchy rash or a bout of diarrhea, its easy to dismiss that reaction as an ...
Hypersensitivity (also called hypersensitivity reaction or intolerance) is an abnormal physiological condition in which there is an undesirable and adverse immune response to antigen. [1] [2] It is an abnormality in the immune system that causes immune diseases including allergies and autoimmunity. It is caused by many types of particles and ...
Allergen. 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 ...
In the weeks following, bloodwork and skin tests at the allergist confirmed her food allergies, particularly to cashews, the main ingredient in the infamous ice cream treat, and forevermore ...
Lactose intolerance is not an allergy, because it is not an immune response, but rather a sensitivity to dairy caused by a deficiency of lactase enzyme. Milk allergy, occurring in about 2% of the population, is a separate condition, with distinct symptoms that occur when the presence of milk proteins trigger an immune reaction.
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