In some individuals foods may cause an adverse reaction that leads to asthma. Clinical studies have shown that egg, fish, shellfish and nuts (in particular peanuts) can cause the immediate onset of asthma.
Delayed onset of asthma may be caused by chocolate, wheat, citrus fruit and colourings, in particular tartrazine ( yellow dye food additive number 102).
Other foods such as those high in amine or salicylate could also be the cause of allergic symptoms such as asthma.
Unfortunately many individuals may suffer from multiple allergies and if this is the case then time will be needed to establish all allergy problems.
Asthma attacks may also be caused by small particles of feathers, pollen, dust, mould, animal dander, air pollution and fly sprays etc. These allergens can aggravate the bronchial tubes in sensitive children or adults, causing an asthma attack.