I was diagnosed with gastroesophageal reflux disease last week,i have burning ,pain on my left back breast bone and short ness of breath.Doctor was diagnosed GERD.i m on my medication,my symptoms are reduced gradually but still i have breathing problem.Every 10 mints often i have to take deep breath ,otherwise i feel chest pressure and compression in chest.please tell me what is the problem.my blood test was normal.HB 13 .why do i feel like i want to take deep breath every 10 mints?can i do any breathing exercise and regular exercise?