<s>[INST] hey i wake up near enuff evry day not able to catch m breathe my chest feals tight but then 3 or 4 hours later it goes aay till the folowing nites today for the first time i felt reali cold dring this i hve been doctor all he replyed was stop smoking [/INST] thanks for your questionyou need to consult a physician to rule out gastritis peptic ulceranginacardiac diseasesquit smoking and alcoholphysician can request for a chest xray , ecg and an endoscopy if needed to lead to a diagnosisI prefer starting my patients on proton pump inhibitors which helps in relieving symptoms  you can disscuss these modalities with your physician thanks feel free to ask more questions </s>