Hello Asthma , airways hyperresponsiveness that is secondary to inflammatory airways disease that results in recurrent or chronic episodes of wheeze ( as you have) , shortness of breath, chest tightness , cough early in the morning. Asthma is caused by certain allergens such as mite, dust , humidity , sudden fall & rise of temperature , pests , pollen ,molds smoking , hay fodder . So this information will be helpful for you that ASTHMA is not a contagious or infections disease . This is an allergy related disease .