Sorry to hear about the discomfort you are experiencing.
If its of any help, there is a free e-book that you can download from artofdetox dot com that contains a wonderful natural and very effective alternative to the Epsom Salt method of cleansing. The method is based on an old Plant Fat method stemming back to the 1930, whereby doctors would use certain plant fats to disolve the sludge and stones within the liver and GB. Easy to do, all contained in the short ebook.
There is a difference between a Liver Flush and a liver cleanse. You are attempting to flush your liver to cleanse it. There is an easier way. Once the liver is dropping its waste down and out, and not backing up into the system you in turn should start seeing improvements.