If clay-colored or pale stools, dark (bloody-looking) urine, or jaundice (yellowish discoloration of the skin and eyeballs) appears, contact your health care provider.

• Time pattern
  • When did this first occur?
  • Is every stool this way?
• Medications
  • What medications are being taken?
  • Have you changed medication in any way?
• Associated symptoms
  • Is there any abdominal pain?
  • Is there any jaundice?
  • Has there been darkening of the urine?
  • Is there diarrhea?
  • Is there any fever, chills, or night sweats?

Your doctor may perform:

• A full history, noting any medications or habits, such as heavy drinking or intravenous drug use
• Blood work, including liver function tests and tests for viruses
• Imaging studies, such as an abdominal ultrasound
• Endoscopy studies with a long, flexible scope passed through the mouth to the small intestine (ERCP, endoscopic retrograde cholangiopancreatography)