The symptoms that you are experiencing sounds like your body is pretty toxic. The Oxypowder will help cleanse the intestinal system . However, if your body is severely toxic, the only way to rid your body of the toxins is to do a complete body cleanse.The next step in the cleansing process is a liver/gallbladder cleanse. I know this sounds like a scary thing to do. You should try to keep an open mind about cleansing your entire body.The short term discomforts that you might experience are headaches, nausea, vomiting,joint pain, feeling run down. These are good signs that your body is riding itself of the toxins. The severity of the detox effects that you might experience will depend on the sensitivity that you have to detoxification.You should try to remember that the effects are a only a short term discomfort. You are on the road to being healthier and feeing better. I hope this helps you to achieve your goals of feeling better and becoming a healthier you.