Converse of object

• inhale: During allergen deposition the patient should hold their breath to avoid inhaling allergen into lower airways.

• avoid: The results of a client avoiding known allergens can be dramatic.

• destroy: The peas had passed this test. ¦ Cooking GM food will not necessarily destroy allergens.

• remove: They can be better than drugs in relieving allergy symptoms as they remove the allergen from the air before you can inhale it.

Adjective modifier

• inhalant: Exposure to tobacco smoke and certain inhalant allergens are also known to increase the risk of developing asthma.

• airborne: It is claimed that these reduce the level of airborne cat allergen by about 50 % .

• potent: Even the most potent potential allergens can be used safely.

• known: The results of a client avoiding known allergens can be dramatic.

• indoor: Pets are the second most important source of indoor allergens.

• common: Free of common allergens: no sugar, yeast, wheat, gluten, soya, corn or dairy products.

Modifies a noun

• immunotherapy: Is allergen immunotherapy effective in asthma: a meta-analysis of randomized controlled trials.

• avoidance: Asthma: allergen avoidance web page by the American Medical Association is another source of information.

• declaration: See the Guidance Notes on Food Labeling produced by the Food Standards Agency 11.4 What are the exceptions to allergen declarations on labels?

• exposure: Risk factors for indoor allergen exposure: health aspects of indoor air: Berzelius Symposium XXVIII.

Noun used with modifier

• mite: At night, in bed, we spend on average eight hours in close contact with large amounts of house dust mite allergen.

• peanut: Six hands still had detectable levels of peanut allergen.

• pollen: Trials on the regulation of IgE response in mice using modified birch pollen allergens.

• dust: At night, in bed, we spend on average eight hours in close contact with large amounts of house dust mite allergen.

• cat: Patients often assume that cat allergen is only present in the houses that are homes to cats.

• food: Are there particular food allergens to be aware of?