Allergic rhinitis
Allergic rhinitis: Medical term for hay fever, an allergic reaction that mimics a chronic cold. Symptoms include nasal congestion, a clear runny nose, sneezing, nose and eye itching, and tearing of the eyes. Postnasal dripping of clear mucus frequently causes a cough, loss of smell is common, and occasionally loss of taste. Nosebleeds may occur. Also known as June cold and summer cold.
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Allergic rhinitis, perennial: Allergic rhinitis that occurs throughout the year.
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Allergic rhinitis, seasonal: Allergic rhinitis that occurs during a specific season.
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Allergic salute: The characteristic gesture of a person with allergic rhinitis: rubbing his or her nose with the index finger.
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Allergic vasculitis: A disease (also more commonly called the Churg-Straus syndrome) characterized by inflammation of the blood vessels in persons with a history of asthma or allergy. The symptoms of the Churg-Strauss syndrome include fatigue, weight loss, inflammation of the nasal passages, symptoms of asthma, numbness, and weakness. The ultimate test for the diagnosis of […]
- Allergy
A misguided reaction to foreign substances by the immune system, the body system of defense against foreign invaders, particularly pathogens (the agents of infection). The allergic reaction is misguided in that these foreign substances are usually harmless. The substances that trigger allergy are called allergen. Examples include pollens, dust mite, molds, danders, and certain foods. […]