hi.. welcome to healthcaremagic
allergic brochitis: it is a chronic respiratory problem characterised by cough
and wheeze..it generally occurs when u r exposed to some allergens like pollen,dust mites.cotton,etc..it can only be prevented by getting your allergy tests
done and treated it accordingly..family history is usually present..if not treated it leads to asthma
asthma:it is very acute and usually occurs in the late night or early morning..it is because of highly sensitive respiratory tract
to allergens or exposure to cold weather..