Have you ever heard of Liver Flushing? I've been told by professinals that is is especially important if a person has had the gallbladder removed.
Any time you stop fasting you need to eat things like watery vegetables and fruits like Watermelon for a few days. It sounds like you need the help of a natural doctor. It is far simpler to get well than medical doctors tell us, and possible using natural methods.
Do you have a juicer for making juices? A juice fast is a good cure-all and a good way to cleanse the body.