Can trapped gas cause 1.Slight breathing problem, 2.Tickling sensation in chest and ab conjunction and 3.Hedache? Please clarify all the symptoms.

You are asking. A lot of explanation in 400 characters and would be better off talking with your doctor about this, I am not even sure what you mean by 'trapped gas', .
Lets not get carried. There is no such entity as trapped gas. I think you are over reacting to something which is imaginery. I would advice you to take your attention off of these little items which will come and go and need to be ignored. Let your mind be not too focused and worried about illness. Young people do not get sick all that easily. So quit worriying. Go take a daily walk(20-30 mi, you will feel good all da.