Allergology

A pseudoallergy is a condition named for its similar presentation to a true allergy, though due to different causes.

Peanut allergy is a type of food allergy to peanuts.

Dermatitis, also known as eczema, is a group of diseases that results in inflammation of the skin.

A drug allergy is an allergy to a drug, most commonly a medication.

Cold urticaria (essentially meaning "cold hives") is an allergy where hives (urticaria) or large red welts form on the skin after exposure to a cold stimulus.

Allergic rhinitis, also known as hay fever, is a type of inflammation in the nose which occurs when the immune system overreacts to allergens in the air.

Asthma is a common long term inflammatory disease of the airways of the lungs.

Pollen is a fine to coarse powdery substance comprising pollen grains which are male microgametophytes of seed plants, which produce male gametes (sperm cells).

Atopic dermatitis (AD), also known as atopic eczema, is a type of inflammation of the skin (dermatitis).

A bee sting is a sting from a bee (honey bee, bumblebee, sweat bee, etc.).

Contact dermatitis is a type of inflammation of the skin.

Toxic epidermal necrolysis (TEN), also known as Lyell's syndrome, is a rare, life-threatening skin condition that is usually caused by a reaction to drugs.

Latex is a stable dispersion (emulsion) of polymer microparticles in an aqueous medium.

Rhinitis or coryza is irritation and inflammation of the mucous membrane inside the nose.

An allergen is a type of antigen that produces an abnormally vigorous immune response in which the immune system fights off a perceived threat that would otherwise be harmless to the body.

Allergic conjunctivitis is inflammation of the conjunctiva (the membrane covering the white part of the eye) due to allergy.

Angioedema, also known as angiooedema, Quincke's edema, and angioneurotic edema, is the rapid swelling (edema) of the dermis, subcutaneous tissue, mucosa and submucosal tissues.

Aspirin-induced asthma is also termed Samter's triad, Samter's syndrome, aspirin-exacerbated respiratory disease (AERD), and recently by an appointed task force of the European Academy of Allergy and Clinical Immunology/World Allergy Organization (EAACI/WAO) Non-steroidal anti-inflammatory drugs-exacerbated respiratory disease (N-ERD).

The Jarisch–Herxheimer reaction is a reaction to endotoxin-like products released by the death of harmful microorganisms within the body during antibiotic treatment.

Aquagenic urticaria, also known as "water allergy" and "water urticaria", is a rarely diagnosed form of physical urticaria.

Skin allergy testing is a method for medical diagnosis of allergies that attempts to provoke a small, controlled, allergic response.

5-Oxo-eicosatetraenoic acid (i.e. 5-oxo-6E,8Z,11Z,14Z-eicosatetraenoic acid; also termed 5-oxo-ETE and 5-oxoETE) is a Nonclassic eicosanoid metabolite of arachidonic acid and the most potent naturally occurring member of the 5-HETE family of cell signaling agents.

Bet v I allergen is a family of protein allergens.

In medicine, the hygiene hypothesis is a hypothesis that states that a lack of early childhood exposure to infectious agents, symbiotic microorganisms (such as the gut flora or probiotics), and parasites increases susceptibility to allergic diseases by suppressing the natural development of the immune system.

Platinosis is an allergy-like reaction to exposure to soluble salts of platinum.

Urushiol-induced contact dermatitis (also called Toxicodendron dermatitis and Rhus dermatitis) is the medical name given to allergic rashes produced by the oil urushiol, which is contained in various plants, most notably those of the Toxicodendron genus: the Chinese lacquer tree, poison ivy, poison oak, and poison sumac.

An aeroallergen (pronounced aer·o·al·ler·gen) is any airborne substance, such as pollen or spores, which triggers an allergic reaction.

In medicine, desensitization is a method to reduce or eliminate an organism's negative reaction to a substance or stimulus.

Latex allergy is a medical term encompassing a range of allergic reactions to the proteins present in natural rubber latex.

Galactose-alpha-1,3-galactose, commonly known as alpha gal, is a carbohydrate found in most organisms' cell membranes.

The Buehler test is an in vivo test to screen for substances that cause human skin sensitisation (i.e. allergens).

The Guinea pig maximisation test (GPMT) is an in vivo test to screen for substances that cause human skin sensitisation (i.e. allergens).

Oral allergy syndrome (OAS) is a type of food allergy classified by a cluster of allergic reactions in the mouth in response to eating certain (usually fresh) fruits, nuts, and vegetables that typically develops in adults with hay fever.

Betamethasone/dexchlorpheniramine (trade names Betadexin, Celestamine) is a drug containing betamethasone and dexchlorpheniramine maleate to treat allergic conditions.

Skeeter syndrome is a localized allergic reaction to mosquito bites, consisting of inflammation and sometimes fever.