I have asthmatic person, use inhaler when needed. But from last 4 months I have suffering in very worst condition. Whenever I do any physical activity my heart beat fast and rapid breathing, which make my condition worst. After 15 minutes it?s normal. I have done every test PFT, Echo, Lipid profile, CBC, Thyroid test but everything is clear. But condition is same I have taken lots of meds like Monteget, Myteaka, deltacotal, use HFA inhaler through volumn spacer. But condition is same. Please help.