It can go away pretty easily. One of the things you can take is apple cider vinegar which will change the pH in the stomach and encourage the natural acid to digest food. Also since it's malic acid it will also detox you and most likely help you with your smell issue. It's also highly likely you have the smell due to candida-overgrowth in your body. For that I would recommend you check out http://www.yeastinfection.org