Hi. Read and understood your query and history.. This is called foetor. One of the most important reasons have already been treated . Hence remains the other possibilities. Another commonest problems is lower respiratory tract infection. It again depends whether this is a subjective or objective. If this is objective, there May be some neurological problem in you. If this is objective problem, there may be reason including what you eat and drink. Get all the relevant investigations like x- ray of the chest blood urine and stool tests done and get treated accordingly.