Casein and whey are the two major proteins of human milk and most milk-based formulas. Some (less than 8% of) infants have a true allergy to the cow proteins that are in milk-based formulas. Infants with true cow milk allergy can develop abdominal pain, diarrhea, rectal bleeding, skin rash, and wheezing when given milk- based formulas. These sympto [..]

See: Honey bee allergy.

See: Peanut allergy.

Soy protein formulas contain no cow milk and are therefore reasonable alternatives for infants with true cow milk allergy. However, some infants have allergy to both cow milk and soy proteins. These infants require a formula in which the cow milk protein (casein) has been "predigested" and specific amino acids added to provide a formula t [..]

Symptoms or signs occurring in sensitized individuals following exposure to a previously encountered substance (allergen) which would otherwise not cause such symptoms or signs in non-sensitized indiv [..]

A condition in which the body reacts to a particular item or product; may also be referred to as hypersensitivity.

A hypersensitive reaction to common, often harmless substances, most of which are found in the environment.

1911, from German Allergie, coined 1906 by Austrian pediatrician Clemens E. von Pirquet (1874-1929) from Greek allos "other, different, strange" (see alias (adv.)) + ergon "activity&quo [..]

A state in which the body becomes hypersensitive to specific substances. When these substances come in contact with the body they provoke particular reactions. Common indications of allergy may includ [..]

hypersensitivity reaction to a particular allergen; symptoms can vary greatly in intensity (allergic) characterized by or caused by allergy; "an allergic reaction" (allergic) [..]

noun. a state in which the body generates an irregular or incorrect immune reaction to select antigens. During an allergy response, the allergens provoke the excretion of histamine, heading to swellin [..]

allergy (pop)

A hypersensitivity of the body's immune system in response to exposure to specific substances (antigens), such as pollen, beestings, poison ivy, drugs, or foods. Anaphylactic shock is a severe fo [..]

A disorder of the immune system; a hypersensitivity to the reintroduction of an allergen. Allergic reactions occur to normally harmless substances.

A reaction by the body's immune system after exposure to a particular substance, often a protein.

a body's abnormal reaction to certain foods or environmental substances (eg causes a rash)

Allergies are caused by an oversensitive immune system, leading to a misdirected immune response. The immune system normally protects the body against harmful substances such as bacteria and viruses. [..]

(n) hypersensitivity reaction to a particular allergen; symptoms can vary greatly in intensity

An exaggerated immune response to substances in the environment.

An immune system reaction (for example, rash, fever, sneezing, or headaches) to something that is normally harmless.

An abnormally high sensitivity to certain substances, such as pollens, foods, or microorganisms. Common indications of allergies may include sneezing, itching, and skin rashes.

Hypersensitivity to a substance producing local and systemic reactions, such as rash, runny eyes, or anaphylaxis.

Achoo! Many things can trigger allergies, like pollen, certain animals, foods, or a bee sting. Allergies can make your eyes water and your nose run, make your skin itchy and bumpy, make your throat an [..]

A broad term applied to disease symptoms following exposure to a previously encountered substance (allergen), often one which would otherwise be classified as harmless. Essentially it is a malfunction [..]

An exaggerated response to a substance or condition produced by the release of histamine or histamine-like substances in affected cells.

Altered reactivity to an Antigen, which can result in pathologic reactions upon subsequent exposure to that particular Antigen.

Immunologically mediated adverse reactions to medicinal substances used legally or illegally.

Allergic reaction to Eggs that is triggered by the Immune System.

Gastrointestinal disturbances, Skin eruptions, or Shock due to allergic reactions to Allergens in Food.

A Medical Specialty concerned with the Hypersensitivity of the individual to foreign substances and protection from the resultant Infection or disorder.

Allergic reaction to Milk (usually cow's Milk) or Milk products. Milk Hypersensitivity should be differentiated from Lactose Intolerance, an intolerance to Milk as a result of congenital deficien [..]

Allergic reaction to peanuts that is triggered by the Immune System.

Allergic Rhinitis that occurs at the same Time every year. It is characterized by acute CONJUNCTIVITIS with lacrimation and Itching, and regarded as an allergic condition triggered by specific Allerge [..]

Allergic reaction to products containing processed Natural Rubber Latex such as Rubber gloves, Condoms, Catheters, dental dams, balloons, and sporting equipment. Both T-Cell mediated (Hypersensitivity [..]

Allergic reaction to Tree Nuts that is triggered by the Immune System.

Allergic reaction to wheat that is triggered by the Immune System.

An abnormally high sensitivity to certain substances, such as pollens, foods, or microorganisms. Common indications of allergy may include sneezing, itching, and skin rashes.'

An abnormally high sensitivity to certain substances, such as pollens, foods, or microorganisms.

An 'over- reaction' to a normally harmless substance by the body. Individual animals may develop an allergy to a single 'allergen' or several different allergens. A variety of thin [..]

An abnormally high sensitivity to certain substances, such as pollens, foods, or microorganisms. Common indications of allergy may include sneezing, itching, and skin rashes. Alpha

Allergies are an abnormally high sensitivity to certain substances, such as pollen, certain foods or microorganisms. Common indications of an allergy may include sneezing, itching and skin rashes.

A condition in which the body has an exaggerated response to a substance (eg food or drug). Also known as hypersensitivity antibodies. Proteins produced by the body to neutralise or destroy toxins and disease-carrying organisms.

[a-luh-jee] An abnormal reaction of the body which most commonly results in a runny nose, itchy eyes, wheezing, skin rash or diarrhea.

a misguided reaction by the immune system to harmless foreign substances.

Exaggerated or inappropriate reactions of the immune system, medically described as hypersensitivity to specific substances. Back to top

A reaction by the body’s immune system after exposure to a particular substance, often a protein.

an overreaction to a certain substance, such as a vaccine component, that does not affect most people

A condition in which the body has an exaggerated response to a substance (e.g. food or drug). Also known as hypersensitivity.

When a person is very sensitive to certain foods, liquids, pollen, or animals. The allergy can make the person ill, including sneezing, itching, and rashes. Severe allergies can even be fatal (cause d [..]

An immune system response to a foreign substance that is harmless to most people.

An immune system response to external substances including pollen, dust mite feces, food, and various chemicals. See more in Dust Mite

an immune reaction of the body which causes discomfort and possible harm.

 The body’s immune system responds to something it shouldn’t, causing an inflammatory reaction. Like hayfever or peanut allergy in people.

Hypersensitivity of the body's immune system in response to exposure to specific substances (antigens), such as drugs or vaccines, resulting in pathological conditions in predisposed people.

Allergies are an abnormally high sensitivity to certain substances, such as pollen, certain foods or microorganisms. Common indications of an allergy may include sneezing, itching and skin rashes.

An inflammatory immune response to a nonpathogenic antigen.

An identifyable response to food or food additives by the immune system. This may involve the respiratory system, the gastrointestinal tract, the skin or the central nervous system

An allergy is defined as a sensitivity to certain substances, such as pollen.

Unfavorable systemic response to a foreign substance or drug. Alveolar bone

1. <immunology> A state of hypersensitivity induced by exposure to a particular antigen (allergen) resulting in harmful immunologic reactions on subsequent exposures, the term is usually used to refer to hypersensitivity to an environmental antigen (atopic allergy or contact dermatitis) or to drug allergy. The original meaning, now obsolete, [..]

A bodily reaction to an irritant. Skin allergies can be exacerbated by solutions put on the skin.

A bodily reaction to an irritant. Skin allergies can be exacerbated by solutions put on the skin.

an extreme sensitivity to a substance, which may need to be avoided. Alopecia

(pathology,immunology) A disorder of the immune system causing adverse reactions to substances (allergens) not harmful to most and marked by the body's production of histamines and associated with a [..]

This is a condition that involve an immunity in the body against a variety of things that can come into the body including grasses, pollens, molds, etc. The immunity that results is a special one invo [..]

An abnormal immune system response to any stimulus that can take any of 4 different types of reaction characteristics (Immediate/IgE-Mediated, Cytotoxic, Immune Complex-Mediated or Delayed/Cell-Mediated); the classic working definition used by most physicians only includes immediate response allergic reactions (IgE-Mediated).