(1) Whether your eczema is due to an irritant, such as detergent, or due to an allergen , such as nickel, care and treatment of your skin is the same.

(2) Once a person is sensitized to an allergen or chemical, he or she may develop asthma.

(3) Your allergic reaction happens when your body's immune system mistakes the allergen for a harmful invader.

(4) Wherever possible, the most effective way of treating allergies is to avoid all contact with the allergen causing the reaction.

(5) The next time you're exposed to the allergen , your immune system launches an allergic reaction.

(6) The rash usually clears if the allergen is no longer in contact with the skin, but recurs with any slight contact with it again.

(7) Gradually your body learns to accept the allergen as the harmless substance it is.

(8) Research from Southampton hospital indicates that the house dust mite is the biggest allergenic trigger of asthma.

(9) The genetic engineering of food creates two separate and serious health risks involving allergenicity .

(10) Avoid things that could make symptoms worse, such as air pollution and allergens .

(11) Substances that are normally harmless could act as allergens and trigger a reaction in certain people.

(12) Many people choose to avoid milk because it contains saturated fat (if whole milk), cholesterol, allergenic proteins, lactose and frequent traces of contamination.

(13) It may be difficult to eliminate all the allergens; but the goal is to develop strains with reduced allergenicity .

(14) It is well known that vacuum cleaner bags capture large particles but can emit allergens that are too small to be collected in the bag.

(15) Your doctor may take tests to see what allergens are causing the hay fever symptoms.

(16) The goal is to desensitize you to specific allergens and decrease your need for medications.

(17) If you take away the allergens that were driving it initially, the inflammation is likely to continue.

(18) We also asked the subjects about their activities outside the workplace - particularly any activity that might involve contact with irritants or allergenic agents.

(19) Many questions concerning toxicity and allergenicity have been raised about corn contaminated with the spores of this fungus.

(20) First, allergic reactions are caused by allergens , the three most common ones being dust and mites, pollen and nuts.