Over the past 2 months I have been coughing so hard I hurt my back and other areas to the front as of late I have been woke up <span style = 'background-color: #dae8f4'>cough</span>ing so hard I throw up first comes that nasty foaming white stuff and then what ever I had for dinner finally I went to the doctor he listened to my lungs and had me do a peak flow a few times and sent me on my way with