Asthma is basically termed as a condition with clinical symptoms like cold and shortness of breath. Inflammation is the primary cause of asthma and if that inflammation continues, it leads to permanent changes in the airways making them more hyperreactive (twitchy). Our current understanding of asthma suggests that the inflammation in the airways is primarily eosinophilic in nature.

 It seems likely that in future that understanding will change and other cells such as the neutrophil will prove to be important such as in viral induced asthma of the pre-school child. Role Of Allergy: According to the article in http://www.drbarryzimmerman.com ,The relationship between allergy and asthma in childhood has been reproduced in numbers of studies from around the world using differing techniques. There is general agreement that the perennial indoor allergens and seasonal mould allergens have a more important relationship to asthma than the pollens with the most important allergens varying slightly from study to study probably depending on the prevalence of allergens in a given climatic area. Peat et al. found that asthma severity and morbidity in large sample of Australian school children was directly related to dust mite sensitivity but not sensitivity to grass pollen. They measured the level of dust mite allergen level in the homes and found that the levels were very high.

Moreover sensitivity to dust mite and the degree of sensitivity as measured by the size of skin test wheals was the major determinant of current asthma. So it can be accepted that allergy plays an important role in asthma. Conclusion: studies have consistently shown that indoor allergens, mite, dander, cockroach and the seasonal mould alternaria have the greatest negative effect on asthma. So always take care of all these factors that are directly or indirectly effect the asthma.

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