Diarrhea, cramps, nausea, vomiting, and low-grade fever.

Burning pain in the chest that usually occurs after eating and worsens when lying down.

Begins with pain near the belly button and then moves to the right side. This is often accompanied by nausea, vomiting, poor appetite, fever, and chills.

Fatigue, nausea, abdominal pain, loss of appetite, and low-grade fever.

Yellowing of the eyes, abdominal pain, and dark urine. Some people, particularly children, don't experience any symptoms. In chronic cases, liver failure, cancer, or scarring can occur.