Have you been drinking plenty of water and/or juice? Sometimes it takes quite a bit of liquid to get the bowels moving again. Also, did you take both doses of the morning Epsom Salts ? I usually can have one natural BM after flushing, but it takes those ES drinks to really get the stones and stuff out. Even if you just expell fluid, you need to get your bowels working. Do you have an enema kit? That might also help you if the is some blockage in your lower bowel.
You might want to try coffee enemas once a week for two or three weeks to stimulate your liver into releasing more bile. Don't overdo the coffee though if you also have adrenal fatigue.
Raw grated carrots, dark leafy greens and the spice tumeric are also good for Liver Cleansing between flushes. If you tolerate citrus well you can also take the juice of one whole lemon every morning to help cleanse the liver.