Hypersensitivity Overview

Hypersensitivity can refer to allergies or a sensitivity to some other substance or stimulant. A person who is hypersensitive to a particular allergen has an allergy to that substance (e.g. pollen allergy, mold allergy, dust allergy, food allergy, bee sting allergy, and many other types of allergies). Such a person will have an allergic reaction from any exposure to the allergen, possibly even resulting in anaphylactic shock. Hypersensitivity to a substance need not always be an allergy; it could be an intolerance (e.g. food intolerance; lactose intolerance) or an adverse reaction (e.g. drug side-effect, overdose, etc.), or other possible cause. Other types of “hypersensitivity” may refer to sensitivity to light (e.g. photophobia or sunburning easily) or sensitivity to sound (e.g. avoiding loud noise in hangover). In common usage, “hypersensitivity” may refer to emotional symptoms or personality traits, such as anxiety, low self-esteem, irritability, and so on. Read more about: Allergies, Allergens

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Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.