Which asthma triggers are there?
There are several different things that are known to trigger asthma; unfortunately many of them are common substances that you come across in the home or your everyday environment. It can often be difficult to work out what your own specific triggers are because your asthma could be caused by more than one trigger.
Some common environmental triggers include:
· Animals and birds; proteins in hair, skin, feathers and saliva.
· Pollen from grasses, trees and plants.
· Traffic fumes and pollution.
· Strong perfumes.
· Cigarette smoke – second or first hand.
· Household cleaners.
· Mould spores from damp indoors or from trees.
· Changes in the weather
Other possible triggers include:
· Female hormones.
· Negative emotions such as stress.
· Viral infections.
· Prescribed medicines (and some recreational drugs.)