Sudden pain in the upper right abdomen
Pain that may spread to the back or right shoulder
Pain that often starts after eating, especially fatty meals
Nausea or vomiting
Bloating or indigestion
Fever or chills
Yellowing of the skin or eyes
Dark urine
Pale or clay-colored stools
Pain that lasts from minutes to several hours
Symptoms that come and go
No symptoms at all in some cases
Diagnosis confirmed by an ultrasound or other imaging test