For your easy reference, here is a guide to some of the most common allergies and how to cope with them. About 80 per cent of children with asthma and more than half of adults have allergic asthma, which means their asthma is caused by coming into contact with a substance in their environment. There are all kinds of allergic triggers for asthma and not everyone will be troubled by the same ones. As with all allergies, avoidance of triggers is important. Reliever treatments widen the airways, so giving temporary relief of symptoms.
Hay fever is an allergic response to pollen.
It is sometimes called 'seasonal allergic rhinitis'. Grass pollen is the most common trigger, but there are many other pollens including tree pollens that can trouble some people. For some, hay fever-like symptoms occur all year round. This is called 'perennial allergic rhinitis'. Symptoms can often be confused with that of the common cold but allergic rhinitis is usually caused by an allergy to things like house-dust mites, pets and mould spores.