ACE Inhibitor Common medication for blood pressure, which might cause urticaria(hives) and chronic cough...
Acute Occurring over a short period of time; used to describe brief exposures and effects which appear pro..
Acute Exposure A single exposure to a toxic substance or microorganism which results in severe biological harm or d..
Adrenalin (epinephrine) A hormone produced by the adrenal glands. As a medication, it is used in the treatment of severe ac..
Aero Allergen Allergen that is suspended in the air and breathed into respiratory tract, where it sets up an aller..
Algae Microscopic plants which contain chlorophyll and live floating or suspended in water. They also may ..
Algal Bloom Sudden, massive growths of microscopic and macroscopic plant life, algae, and cyanobacteria, which d..
Algicide Any substance or chemical specifically formulated to kill or control algae...
Allergenic Extracts Allergenic Extracts contain allergenic materials that are used in the diagnosis and treatment of all..
Allergens Allergens are a special type of antigen that are responsible for clinical symptoms in allergic peopl..
Allergic Antibodies Allergic antibodies are the antibodies responsible for atopic allergic reactions. Minute quantities..
Allergic Conjunctivitis Allergic conjunctivitis is a common allergic reaction of the eyes. The most prominent symptom is it..
Allergic March A pattern that evolves as one allergic condition slowly progresses into another as the person grows ..
Allergic Reaction The body's response to something called an allergen that comes in contact with the skin, or by inhal..
Allergic Rhinitis Allergic Rhinitis is commonly known as hay fever. Allergic rhinitis is a complex of symptoms charact..
Allergic Shiners Darkening of skin around eyes that occurs in allergy sufferers...
Allergist An allergist is a medical doctor certified by the American Board of Allergy and Immunology who speci..
Allergy Clinic Specialist clinic to assess and carry out diagnostic allergy tests on GP referral...
Allergy Specialist A doctor who specializes in allergies and their treatment...
Alternative Medicine (complementary, fringe medicine) The various systems of ‘healing’ including homeopathy, herbal remed..
Ambient Environmental or surrounding conditions...
Aminophyllin See theophylline..
Amplification (amplification source) the process of indoor growth leading to an increased indoor microbial concent..
Anaphylactic Shock The most severe form of allergy, which is a medical emergency. An oftentimes severe and sometimes fa..
Anaphylactoid A reaction similar in presentation to anaphylaxis; however, the cause is not IgE-mediated hypersensi..
Anaphylaxis Anaphylaxis, or anaphylactic shock, is a severe, frightening and life-threatening allergic reaction...
Anderson Sampler A sieve-type air sampling device that uses a vacuum pump to draw air through a radial pattern of 300..
Anergy Failure of lymphocytes that have been primed by an antigen to respond on second contact with the ant..
Angioedema Swelling of parts of the body, such as lips or eyes, that occurs because of an allergic reaction. An..
Anosmia A loss of the sense of smell...
Anti Inflammatory Medications Anti-inflammatory medications reduce the symptoms and signs of inflammation. Although not a medicati..
Anti Inflammatory Nasal Sprays Reduce nasal inflammation, which contributes to your nasal allergy symptoms. Unlike oral antihistami..
Anti-Allergy Medication Nose and eye drops, inhalers and capsules that help prevent allergy. Based on chromoglycate which is..
Anti-Inflammatory Medication Nose sprays, Inhalers and Creams that contain steroids based on beclomethasone. See preventers and c..
Antibodies Antibodies are substances produced in response to a foreign substance (antigen) that are capable of ..
Antibodies-Blocking A blocking antibody is an antibody of one class that combines with an antigen, thus preventing the a..
Antigens Antigens are foreign substances that are capable of inducing an immune response in normal individual..
Antihistaminics Medications used in treating allergic symptoms. The chemical structure of antihistaminics is simila..
Aspergillosis A group of diseases caused by the fungus Aspergillus; affected tissues may include lungs, bronchial ..
Aspergillus A genus of fungi, which can cause infection or allergy of the respiratory system in man (Allergic Br..
Aspirin-Induced-Asthma This is a special category of intrinsic asthma induced by the ingestion of aspirin. It may occur as..
Asthma Asthma is a disease that is characterized by recurrent episodes of difficult breathing and by wheezi..
Atopic Atopic means having an inherited tendency to suffer from allergic diseases...
Atopy Over the years, atopy (from the Greek atopia, for “uncommoness”) has been given various meanings. Br..
Atrophy Wasting away of a normally developed organ or tissue...
Autoimmune Disease One of the growing number of otherwise unrelated disorders now suspected of being caused by the infl..
B Cells Small white blood cells crucial to the immune defenses; also known as B lymphocytes, they come from ..
Background Level The average presence of a chemical substance or microorganism in the environment, originally referri..
Bacterial Allergy Infections can play an important role in allergic disorders. People with asthma often have increase..
Beclomethasone An inhaled steroid (cortisone) used in the treatment of severe and chronic asthma. The main use of ..
Bioaerosol An airborne dispersion of particles containing whole or parts of biological entities, such as bacter..
Biocide Substances such as antibiotics, bacterialcides, or fungicides that are capable of destroying living ..
Blastomycosis A disease caused by the fungus Blastomyces dermatitidis; may infect lungs, skin, mucous membranes, b..
Bronchiole The small airways that carry air into and out of the lungs. In people with asthma they become inflam..
Bronchitis An inflammation of the bronchi (lung airways), resulting in persistent cough that produces considera..
Bronchodilator Medications A group of medications that widen the airways in the lungs...
Bronchodilators Medications that relax the smooth muscle of constricted bronchi. The main use of bronchodilators is..
Bronchospasm The sudden, involuntary contraction of the smooth muscle of the bronchi, as occurs in asthma...
Brown-Rot Fungi Fungi that are capable of utilizing the cellulose and hemicellulose portions of wood but are incapab..
Budesonide A corticosteroid medication used as a nasal spray to treat hay fever or as an inhalant for asthma. I..
Building Related Illness (BRI) A recognized disease that can be attributed to airborne building bioaerosols or chemical pollu..
Casein A milk protein; casein is precipitated out of milk in acid conditions; it is the principal protein o..
Causal Agent A factor associated with the definitive onset of an illness. An example of a causal agent is the bac..
Cell Mediated An event accomplished with the assistance of certain cells...
Cell-Mediated Immunity An arm of the specific immune system that defends the body by the ability of T cells to regulate ant..
Central Nervous System (CNS) Portion of the nervous system which consists of the brain and spinal cord...
Chemosis Swelling (oedema) of the conjunctiva...
Chinese Herbal Treatment A form of traditional Chinese medicine that is helpful for some people with eczema...
Chlorination The application of chlorine to water, generally for the purpose of disinfection, but frequently for ..
Cholinergic Urticaria Cholinergic urticaria is a special type of urticaria, or hives, characterized by small, short-term w..
Chronic Occurring over a long period of time, either continuously or intermittently; used to describe ongoin..
Chronic Exposure Long-term, low-level exposure to a toxic chemical or microorganism...
Coccidioidomycosis A disease caused by the fungus Coccidioides immitis; may infect lungs, internal organs, bones, joint..
Coeliac Disease An inflammatory disease of the intestine, possibly caused by a delayed allergic reaction to gluten, ..
Cold Urticaria Cold urticaria is the occurrence of hives precipitated exposure to cold; often this condition is ass..
Commensal An organism that lives in close association with another of a different species without either harmi..
Complement A substance in the blood, consisting of a group of nine different fractions, that aids the body’s de..
Conjunctivitis Inflammation of the conjunctiva (the delicate outer lining of the eyeball.)..
Contact Dermatitis Contact dermatitis is a type of reaction in which local areas of the skin become inflamed upon conta..
Contrast-Media-Reactions Contrast media reactions are adverse reactions to iodinated dyes injected during certain x-ray studi..
Corticosteroids (cortisone) A steroid medicine that is used to treat or prevent allergic reactions by reducing inflammation. Use..
Cromolyn A medication used in the treatment of asthma. The effect of cromolyn is unique; its is not a bronch..
Cross-Reactivity Cross-reactivity is a condition in which the body mistakes one compound for another of similar or id..
Cryptococcosis A disease caused by the fungus Cryptococcus neoformans; may infect lungs, central nervous system, sk..
CT (Computerized Tomography) A development of diagnostic radiology for the examination of the soft tissues of the body. For examp..
Cytotoxic Food Tests Cytotoxic food tests are tests in which a person’s white cells are used to diagnose an allergy. In ..
Cytotoxin A chemical compound that is poisonous to cells...
Danders Next to house dust, animal danders are the most common nonseasonal, inhaled allergen. Animal dander..
Decongestant A decongestant is any of a group of medications used primarily in the treatment of hay fever, vasomo..
Delayed-type Hypersensitivity A type of hypersensitivity that is mediated by T cells, e.g., allergic contact dermatitis. Gell and ..
Dennie Line Crease seen under eyelid in allergy sufferer...
Dermal Exposure Contact between a microorganism (or chemical) and the skin...
Dermatitis Another name for eczema which includes Atopic Dermatitis and Contact Dermatitis...
Dermatitis Herpetiformis Dermatitis herpetiformis is a chronic, debilitating, immunologically mediated skin disorder characte..
Dermatographism A red line that develops if the skin is firmly stroked. Common in allergy sufferers...
Dermatophagoides Pteronyssius A type of house dust mite. Most common cause of asthma in the UK & NZ...
Dermatophytes A fungus that causes skin disease in humans or other animals...
Dermatoses Any disease of the skin, particularly one without inflammation...
Dermographism Dermographism is increased sensitivity of the skin to stroking characterized by the appearance of a ..
Desensitization Administration of low but increasing doses of an allergen in order to decrease the allergic response..
Dexamethasone A type of corticosteroid medication used in the treatment of severe allergies. It can be given intr..
Disease A state in which a function or part of the body is no longer in a healthy condition...
DPT A combined vaccine against diphtheria, whooping cough, and tetanus...
Dust Mites Microscopic insects that live in mattresses, pillows, and carpets. They don't bite or spread any ger..
Dyspnoea Laboured or difficult breathing...
E Numbers Method of labelling all food additives in the European Union. For example, E102 is the food colouran..
Ecchymosis A bruise...
Eczema Eczema is an inflammation of the skin, marked by redness, itching, and scales. It is not contagious...
Elimination Diets An elimination challenge diet is a method of determining food allergens by temporarily and selectiv..
ELISA Enzyme-linked Immunoassay, A technique used to detect antigen or antibody...
Emollients Special moisturisers - available as bath oils, creams and ointments - that are used to help prevent ..
Emphysema Emphysema is a chronic disease of the lungs, in which the alveoli are permanently damaged or destroy..
Endotoxin A poison generally harmful to all body tissues contained within certain Gram-negative bacteria and r..
Eosinophils White blood cells containing chemical filled granules that when released kill parasites. Also, eosin..
Ephedrine A medication used in the treatment of asthma. Ephedrine is a component of numerous oral preparation..
Epidemic A widespread outbreak of a disease, or a large number of cases of a disease in a single community or..
Epidemiology A branch of medicine which studies epidemics (diseases which affect significant numbers of people du..
Epinephrine Also called adrenaline. One of two chemicals (the other is norepinephrine) released by the adrenal g..
EpiPen™ A single dose of medicine (injection kit) of epinephrine you can give yourself to counteract a sever..
Excoriation The destruction and removal of the surface of the skin or the covering of an organ by scraping...
Exercise Asthma Exercise can cause bronchospasm in asthmatic patients, particularly children. The changes that occu..
Exercise Urticaria Exercise urticaria is a newly described, potentially serious development of itchy hives, swelling, a..
Exposure Assessment The determination or estimation (qualitative or quantitative) of the magnitude, frequency, duration,..
Extrinsic Asthma Asthma that is triggered by an allergic reaction, usually something that is inhaled...
Farmer’s Lung An occupational lung disease caused by an allergy to fungal spores that grow in inadequately dried s..
Feingold Diet A diet that purports to treat many illnesses by the elimination of artificial food colouring, preser..
Food Additive Chemical added to food to enhance flavour, colour and prevent spoiling, but which might cause advers..
Food Allergy Foods are intimately related to human existence, both physiologically and psychologically. For thes..
Food Aversion Fear that a food will cause an adverse reaction...
Food Challenge Test carried out in hospital to identify suspected food allergens by giving traces of food concealed..
Food Intolerance or ood sensitivity. A sensitivity or bad reaction to certain foods that does not involve the immune ..
Food Toxicity Reaction to a poison contained in a food...
Fungi (Molds) Fungi are plants that, unlike green plants, have no chlorophyll and must depend on plant or animal m..
Gastro Esophageal Reflux (GER) The backward flow of gastric juices from the stomach into the esophagus...
Gastro-0esophageal Reflux Disease (GORD) The syndrome caused by abnormal gastro-oesophageal reflux, which include symptoms of heartbur..
Gastroenteritis Gastroenteritis is an inflammation of the stomach and intestines. It may at times result from an al..
Generic Denoting a medication name that is not protected by a trademark...
Glue Ear Low-grade eardrum inflammation associated with fluid in middle ear cavity...
Grasses Grasses are widely distributed and include more than 4,000 species. Most of the wild native grasses..
Grommet A flanged metal or plastic tube that is inserted in the eardrum in cases of glue ear. It allows air ..
Haemoptysis The coughing up of blood...
Halitosis Bad breath...
Hay Fever Hay fever is a common name for nasal allergy. Its symptoms – attacks of sneezing; runny, stuffy nos..
HEPA Filter High Efficiency Particulate Air filters that have been tested to assure removal of 99.9% of particle..
Hepatotoxin A chemical compound that is poisonous to the liver...
Heterotrophic Plate Count (HPC) - The number of colonies of heterotrophic bacteria grown on selected solid media at a given te..
Histamine Histamine is a chemical released in the body by the interaction of an allergen and an antibody; it ..
Histamine-Release Test A histamine-release test is a method of measuring the amount of histamine released by certain cells ..
Histoplasmosis A disease caused by the fungus Histoplasma capsulatum; may infect lungs, skin, mucous membranes, bon..
Hives Raised, red, and itchy rashes of different sizes on the skin, often associated with an allergic reac..
Homeopathy A system of medicine based on the theory that ‘like cures like’. The patient is treated with extreme..
House Dust House dust is a heterogeneous, firm gray powdery material that accumulates indoors. This category i..
Hypersensitivity Hypersensitivity is a condition in which the immune system reacts to antigens that cause tissue dama..
Hypersensitivity Pneumonitis Hypersensitivity pneumonitis is an allergic disease of the lungs caused by inhaling various organic ..
Hyperventilation Breathing at an abnormally rapid rate at rest, this causes a reduction in carbon dioxide concentrati..
Hypoallergenic Agents Refers to products formulated to contain the fewest possible allergens. A hypoallergenic substance i..
Hyposensitization Hyposensitization is a method of treating allergies in which series or small doses of the substance ..
Ichthyosis Any of a group of disorders, usually hereditary, in which there is noninflammatory scaling of the sk..
Idiopathic Denoting a disease or condition the cause of which is not known or that arise spontaneously...
Idiosyncrasy An unusual or unexpected sensitivity exhibited by an individual to a particular medication or food...
IgA An antibody found in tears, saliva, and mucus, it protects the entrances of the body...
IgE E-class immunoglobulin (antibody). The type of immunoglobin that triggers release of Histamine from ..
IgG An antibody that reaches peak levels after IgM and sustains the body’s defense...
Ileum The lowest of the three portions of the small intestines...
Immune System The body's complex network of specialized cells, tissues, and organs that defends the body against a..
Immunization The production of immunity by artificial means. Passive immunity, which is temporary, may be conferr..
Immunoglobulin A type of immune antibody that may be involved in ‘policing’ the body for foreign bacteria and aller..
Immunology The science and study of the nature and causation of protection against infections and allergenic su..
Immunosuppression Suppression of the immune response, usually by disease (e.g. AIDS) or by medications (e.g. Steroids,..
Immunotherapy Also known as allergy shots. The form of treatment known as immunotherapy is also called desensitiza..
Impetigo A skin infection due to the staphylococcus bacterium, it forms scabs and has a 'honey-crust' appeara..
Incidence Rate A measure of morbidity based on the number of new episodes of illness arising in a population over a..
Inflammation An immune system process that stops the progression of disease-causing microbes, often seen at the s..
Ingestant Allergen An ingestant allergen is a substance that causes an allergic reaction when eaten or swallowed – for ..
Ingestion Type of exposure that occurs through the mouth...
Inhalant Allergen An inhalant allergen is one that enters the body through the respiratory system – for example pollen..
Inhalation Type of exposure that occurs through the lungs...
Inhalation Challenge Inhalation challenge is a test used in the reproduction of allergic symptoms by breathing an offendi..
Inhaler A device that enables people with respiratory complaints, including asthma, to breathe certain medic..
Injectant Allergens Substances injected into the body to which a person is allergic. Usually medications and insect veno..
Insect Allergy The insects responsible for allergic reactions are almost exclusively in the class Ilymenoptera. Th..
Interleukin Powerful chemicals released by lymphocytes and monocytes that regulate the immune response...
Intermittent Asthma and intermittent allergic rhinitis. These conditions represent the milder end of the disease spectru..
Intrinsic Asthma Asthma that has no apparent external cause...
Irritable Bowel Syndrome (IBS) A common condition, in which recurrent abdominal pain with constipation and/or diarrhoea, continues ..
Keratitis Microbial infections of the cornea (eye); when caused by a fungus, it is referred to as mycotic kera..
Keratosis Pilaris Dry sandpaper-rough skin texture found commonly in allergy sufferers...
Latent Present but not seen; a latent viral infection is one in which no virus can be found in the blood ce..
Latex Rubber derivative commonly found in hospitals in surgical gloves, catheters and intravenous drip-set..
Leukotriene Antagonists New anti-inflammatory oral medication for asthma...
Lichenification The thickening of the epidermis layer of the skin, caused by excessive scratching and rubbing. Seen ..
Long Face Syndrome Facial appearance of the chronic nasal allergy sufferer...
Major Determinants The part of an antigen molecule that is responsible for the specific interaction with an antibody. P..
Malignant Very dangerous or virulent, causing or likely to cause death...
Mast Cell A mast cell is a type of tissue cell containing the chemical mediators responsible for the symptoms ..
Mediator A mediator is a chemical substance that attracts or activates other parts of the immune system – for..
Medication Allergy A medication allergy is an adverse reaction to a medication or medication that occurs as a consequen..
Meningitis Inflammation of the meninges, the membranes that surround the brain and spinal cord...
Methylprednisolone A corticosteroid medication of sustained action that is administered intramuscularly. It is occasio..
Mildew A common name for mold or fungi; often used in reference to fungal growth on bathroom tiles and fixt..
MMR A combined vaccine against measles, mumps and German measles (rubella)...
Molds (Fungi) Mold is a general term for a group of parasitic, microscopic plants without stems, roots, or leaves ..
Morbilliform Describing a skin rash resembling that of measles...
Mucormycosis A group of disease caused by the fungi belonging to the group Mucorales (Class Zygomycetes); such fu..
Mucous Membranes Moist tissues forming the lining of body cavities that have an external opening, such as the respira..
Mycetoma Invasive fungal infection of subcutaneous tissues (under the skin)...
Mycology The scientific study of fungi (Kingdom Fungi or Mycota)...
Mycosis An infection caused by fungi (mold) (pl. mycoses)..
Mycotoxicosis Any disease caused by fungal toxins (mycotoxins)...
Mycotoxins A diverse class of poisonous compounds produced by certain mushrooms and other fungi; mycotoxins are..
Nasal Polyps Nasal polyps are round, small, smooth, soft masses – single or multiple – that form in the sinus or ..
Nasal Salute Rubbing of itchy nose due to nasal allergies...
Nettle Rash Another name for urticaria or hives...
Olfactory Fatigue A condition in which a person's nose, after exposure to certain odors, is no longer able to detect t..
Onychomycosis Invasive fungal infections of the nail...
Optimal Dose: Dose that gives the most complete relief for the longest period of time, with the least number of si..
Otitis Media Otitis media is an inflammation of the middle ear, frequently seen in young children. It may also b..
Otolaryngologist An otolaryngologist is a medical doctor specializing in the treatment of ear, nose and throat diseas..
Otomycosis A superficial fungal infection of the outer ear canal...
Over The Counter (OTC) A term used to describe medications that can be purchased without a doctor’s prescription...
Overload The overpowering of the immune system due either to massive, concurrent exposure or to low-level con..
Pandemics Diseases that affect many people in different regions around the world...
Paranasal Sinuses The air-filled spaces, lined with mucous membrane, within some of the bones of the skull. They open ..
Patch Test Patch tests are used to identify substances responsible for contact allergy. The test consists of a..
Pathogen A microorganism that causes a disease response...
Peak Flow Meter Device to measure lung expiration and is used to monitor asthma severity...
Pharmacology The science and action of medicines, their nature, preparation, administration and effects...
Phytophotodermatitis An eruption of large blisters occurring after exposure to light in people who have been in contact w..
Piedra Fungal infection of hair shafts resulting in the formation of dark (black piedra) or white (white pi..
Pityrosporum A genus of yeast, producing superficial infection of the skin...
Pneumonia A disease characterized by the inflammation of the lungs; often caused by bacteria or certain specie..
Pollen Tiny male fertilizing agent of flowering plants, trees, grasses and weeds. Airborne pollen is a majo..
Pompholyx Eczema of the palms of the hands and soles of the feet, associated with intense itching...
Preventers Medicines (often based on steroids) that are usually breathed in from inhalers by people with asthma..
Pruritus Itching...
Pseudo Allergy Reaction that mimics an allergy and does not involve the immune system...
Pulmonary Hemorrhage A condition characterized by bleeding in the lungs caused by weakening of the lung vessels...
Purpura Skin rash resulting from bleeding into the skin from small blood vessels; the individual purple spot..
RAST The RAST (for radioallergosorbent test) is an in vitro test (serum test) for the measurement of spec..
Reaction-Anaphylactic An anaphylactic reaction is a state of shock caused by a severe allergic reaction, which results in ..
Reactions-Idiosyncratic An idiosyncratic reaction is similar to allergic reaction, but in this type, allergic mechanisms can..
Rebound Phenomenon The rebound phenomenon is an allergy condition in which prolonged use of a medication or medications..
Relative Humidity An expression of how much moisture is in the air as a percentage of the total moisture the air can c..
Relievers Medicines based on salbutamol that are used to treat the symptoms of an asthma attack by dilating th..
Respiratory System The group of organs responsible for carrying oxygen from the air to the bloodstream and for expellin..
Rhinitis Rhinitis is a disease of the nasal passages that is characterized by attacks of sneezing, increases ..
Rhinitis Medicamentosa Rhinitis medicamentosa is a type of rhinitis that is induced by frequent and prolonged use of decong..
Rhinitis-Perennial-Allergic Perennial allergic rhinitis is year-round hay fever...
Ringworm Fungal infections of the skin resulting in raised red swellings or lines that resemble burrowing wor..
Risk Assessment A qualitative or quantitative evaluation of the environmental and/or health risk resulting from expo..
Risk Characterization Final component of risk assessment that involves integration of the data and analysis involved in ha..
Risk Management Decisions about whether an assessed risk is sufficiently high to present a public health concern and..
Rotavirus A group of viruses that can cause digestive problems and diarrhea in young children...
Scratch Test A scratch test is an allergy skin test in which the allergens is applied directly to small scratches..
Seed Allergens Vegetable seeds contain proteins that can cause allergic reactions. The more potent allergens are p..
Sensitivity An adaptive state in which a person develops a group of adverse symptoms to the environment, either ..
Sensitization Exposure to a foreign substance resulting in an allergic response...
Sensitize Sensitize is synonymous with immunize; to administer or expose to an antigen provoking an immune res..
Sick Building Syndrome (SBS) - A set of symptoms associated with indoor exposure to chemicals or microorganisms characteriz..
Sinusitis Inflammation of the membrane lining the facial sinuses (air cavities within facial bones), often cau..
Skin Endpoint Titration (S.E.T.) This method of testing utilizes different dilutions of the same allergen to quantitate in b..
Skin Prick Test An allergy test that involves putting a small amount of a known allergen on to a scratch in the skin..
Skin Test Skin tests are a method of testing for allergic antibodies. A test consists of introducing small am..
Soft-Rot Fungi Fungi that are capable of decomposing the cellulose and hemicellulose portions of wood; most soft-ro..
Spacer Device A plastic tube that fits between the inhaler and the mouth to increase the delivery of atomised medi..
Specificity Specificity is the characteristic of antibodies and white blood cells that enables them to recognize..
Spores Spores are the reproductive cells of certain plants and organisms. Inhaled fungal spores are freque..
Status Asthmaticus Status asthmaticus is a severe asthma attach that does not respond to conventional therapy. It nece..
Subclinical Describing a disease or condition that is suspected but not sufficiently developed to produce defini..
Subcutaneous Subcutaneous is an adjective meaning under the skin...
Surface Water All water naturally open to the atmosphere (rivers, lakes. reservoirs, streams, impoundments, seas, ..
Symptoms A recognizable change in a person's physical or mental state that is a departure from normal functio..
Syndrome A group of traits or concurrent symptoms; indicates the presence and nature of a condition or diseas..
Tachyphylaxis A falling-off in the effects produced by a medication during continuous use...
Target Organ The particular organ or system in an individual that will be affected most often by allergic reactio..
Terbinafine An antifungal medication used to treat severe ringworm. Trade name: Lamisil...
Terbutaline A bronchodilator medication used in the treatment of asthma. Trade name: Bricanyl...
Theophylline A group of xanthine derivatives used in the treatment of asthma. The most important effect of medic..
Tinnitus Any noise (buzzing, ringing, etc) in the ear. There are many causes including wax in the ear...
Tobacco Sensitivity Many people suffering from rhinitis and asthma experience heightened symptoms when exposed to tobacc..
Tolerance The capacity of the body to withstand repeated exposures without symptoms...
Toxicity A poisonous, irritating, or injurious effect resulting when a person ingests or produces a substance..
Tree Pollen Trees, important in respiratory allergy, are divided into the following families: conifers; birch; ..
Trichophyton Genus of fungi, parasitic to man, that frequently infects the skin, nails, and hair and cause ringwo..
Trigger Something that can aggravate an allergic reaction but is not necessarily the actual cause of the all..
Tryptase Enzyme released in acute allergic reactions and during anaphylaxis, which can be measured on a blood..
Turbinate Delicate inner lining of the nasal passage that swells with nasal allergy and blocks nose...
Type I Hypersensitivity (Anaphylactic Reactions) - An immediate, usually localized response to allergens such as fungi, poll..
Type II Hypersensitivity (Cytotoxic Reactions) - A delayed response (usually within hours or days) involving reactions agains..
Type III Hypersensitivity (immune-complex reactions) - a delayed response (usually within hours or days) involving insoluble a..
Type IV Hypersensitivity (cell-mediated response) - a delayed response to microorganisms, tissue transplants, or chemicals th..
Urticaria Urticaria or hives, is a common skin condition that is probably familiar to everyone. It is a skin ..
Vaccination A means of producing immunity to a disease by using a vaccine, or special preparation of antigenic m..
Vasomotor Rhinitis Anon allergic rhinitis caused by changes in temperature, strong odours, or smoke...
Weal A raised bump on the skin that indicates an allergy in a skin prick test. Also seen on the skin as u..
Wet Wrapping A treatment for eczema that involves applying emollients and corticosteroid creams to the affected p..
White-Rot Fungi Fungi that are capable of utilizing lignin as well as cellulose and hemicellulose; most wood-decay f..
Wood-Decay Fungi Fungi that are capable of decomposing various components of wood; categorized as either soft-rot fun..
Xeroderma A mild form of the hereditary disorder, ichthyosis in which the skin is dry and scaly...
Xerosis Abnormal dryness of the conjunctiva, the skin or mucous membrane...
Yeast Yeasts are species of fungi that grow as single cells. They may be prominent in the air during the ..
