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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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Heat disorders are a group of physically related illnesses caused by prolonged exposure to hot temperatures, restricted fluid intake, or failure of temperature regulation mechanisms of the body. Disorders of heat exposure include heat cramps, heat...
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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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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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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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