Respiratory hypersensitivity
Respiratory Hypersensitivity
Respiratory hypersensitivity (/rɪˌspɪrəˈtɔːri haɪpərsɛnsɪˈtɪvɪti/) is a condition characterized by an exaggerated immune response to various substances in the respiratory tract.
Etymology
The term "respiratory hypersensitivity" is derived from the Latin respirare meaning "to breathe", and the Greek hyper meaning "over" and sensitivus meaning "feeling".
Definition
Respiratory hypersensitivity is a type of allergic reaction that occurs in the respiratory system. It is characterized by an overreaction of the immune system to certain substances, known as allergens, which are inhaled into the lungs. This overreaction can cause symptoms such as wheezing, coughing, shortness of breath, and chest tightness.
Causes
Respiratory hypersensitivity can be caused by a variety of allergens, including dust mites, pet dander, mold spores, pollen, and certain chemicals. These allergens can trigger an immune response in susceptible individuals, leading to inflammation and swelling in the airways.
Related Terms
- Allergic Reaction: An exaggerated immune response to a substance that is generally not harmful.
- Allergen: A substance that can cause an allergic reaction.
- Asthma: A chronic condition that affects the airways, often caused by respiratory hypersensitivity.
- Rhinitis: Inflammation of the mucous membrane of the nose, often due to an allergic reaction.
- Bronchitis: Inflammation of the bronchial tubes, often caused by respiratory hypersensitivity.
External links
- Medical encyclopedia article on Respiratory hypersensitivity
- Wikipedia's article - Respiratory hypersensitivity
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