Dear Sir, i am 28 years old, from last 2 months i have cough problem ( dry cough ) a little amount of cough I always spit from mouth and I have a pain in my left side heart, I have also checked with a doctor he has already taken ECG and X-ray, he said ECG report is OK and X-ray report have some stain , now i am trying to fit very soon so please help or guide me what I have