Hi I'm 38 years old And I have asthma. For the past few days I experience wheezing and shortness of breath. I wheez in the morning and at night time.And I feel like I'm going to pass out when I'm trying to catch up my breath. When I walk short distance I feel tired easily. I used proair FHA inhaler I feel relieve for about 30 minutes. And 6 hours after I have to use it again. what should I do? thank you for your help.