Bile then moves from the gallbladder into the small intestine, where it combines with the food and performs digestive processes. After bile enters and travels through the small intestine, approximately 90% of the bile salts are reabsorbed into the circulation via the lower small intestine wall. The remaining portion is eliminated in the feces. In severe cases of poisoning, toxic substances may reach the blood stream directly from the gallbladder. These toxins include free fatty acids, phospholipids, bilirubin, and amino acids. Free fatty acids cause muscle pain, weakness, and irregular heartbeat; phospholipids can block nerve signals; and bilirubin can lead to jaundice. Amino acids may also cause symptoms such as nausea, vomiting, diarrhea, abdominal pain, fever, chills, confusion, or hallucinations.