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Hay fever, which is also called allergic rhinitis , is a common allergic condition. A main feature of the condition is an inflammation of the nasal passages, or rhinitis, caused by an allergic reaction to pollen. Hay fever usually occurs when airb...
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Allergic rhinitis is a collection of symptoms, mostly in the nose and eyes, which occur when you breathe in something you are allergic to, such as dust, dander, or pollen. This article focuses on allergic rhinitis due to outdoor triggers, such as ...
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Allergic rhinitis , more commonly referred to as hay fever , is an inflammation of the nasal passages caused by allergic reaction to airborne substances.
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An allergen is a substance that can cause an allergic reaction. Allergens are substances that, in some people, the immune system recognizes as "foreign" or "dangerous" but cause no response for most people.
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Autoimmune disorders are conditions in which a person's immune system attacks the body's own cells, causing tissue destruction.
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An autoimmune disorder is a condition that occurs when the immune system mistakenly attacks and destroys healthy body tissue. There are more than 80 different types of autoimmune disorders. See also: Immune response
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Autoimmune disorders are conditions in which a person's immune system attacks the body's own cells, causing tissue destruction.
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Diseases in which the immune system attacks the body's own healthy tissues, forming antibodies in an assault on mistakenly identified "foreign invaders. " Autoimmune disorders occur when the body's immune system loses its ability to recognize the ...
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A food allergy or sensitivity is a person's immune system reaction to eating a particular food.
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A food allergy is an exaggerated immune response triggered by eggs, peanuts, milk, or some other specific food.
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Drug interactions are changes in the effect of one drug due to the effect of either another drug taken at the same time (drug-drug interactions) or food consumed while the drug is being taken (drug-food interactions).
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Drug allergies are a group of symptoms caused by allergic reaction to a drug (medication.
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A drug allergy is an adverse reaction to a medication, often an antibiotic, that is mediated by the body's immune system. A drug sensitivity is an unusual reaction to a drug that does not involve the immune system.
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Drug metabolism is the process by which the body breaks down and converts medication into active chemical substances.
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Hyperhidrosis is a medical condition in which a person sweats excessively and unpredictably. People with hyperhidrosis may sweat even when the temperature is cool or when they are at rest.
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Hyperhidrosis is a medical condition characterized by excessive sweating in the armpits, palms, soles of the feet, face, scalp, and/or torso.
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A disorder marked by excessive sweating. It usually begins at puberty and affects the palms, soles, and armpits.
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Pneumonia is a lung infection that can be caused by many different germs, including bacteria, viruses, and fungi. This article discusses describes pneumonia that occurs in a person whose ability to fight infection is greatly reduced because their ...
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