1 In other infected individuals symptoms of hepatitis A may include flu-like symptoms such as tiredness, stomach discomfort, fever, decreased appetite, and diarrhea; light-colored stools; more specific symptoms include dark yellow urine, and jaundice (white of eyes and skin become yellowish). Hepatitis A is an inflammatory disease of the liver caused by a virus. 2  The liver stores nutrients and vitamins, helps digest foods, helps prevent infections, and helps remove harmful substances from blood. 3  Hepatitis A viruses cause the disease termed hepatitis A.