From a very long time i am not able to breathe properly, and when i breathe i feel some discomfort or pain in the right side of my chest, i have had several diagnosis done in the past, where I was told that it was COPD, and there is an inflammation in my right lung, in my last diagnosis i was also told that there was a swelling in my nostrils too, i do not smoke, and i regularly perform breathing exercises still there has been no improvement, i was given an inhaler and some medicines by on of the doctors and still the condition is same, what should i do next.