Pancreatic cancer can sometimes develop with symptoms that are subtle, making them easy to overlook or mistake for more common health problems. Possible warning signs include jaundice, unexplained weight loss, abdominal or back pain, persistent itching, nausea or vomiting, and blood clots. Having one or more of these symptoms does not necessarily mean someone has cancer, but persistent changes deserve medical attention.

Jaundice is one possible warning sign. It can cause the skin or whites of the eyes to turn yellow and may also lead to dark urine and unusually pale stools. This can happen when a tumor blocks the bile duct, preventing bile from flowing normally and causing bilirubin to build up in the bloodstream.

Persistent itching can sometimes occur alongside jaundice because of increased bile substances in the body. Abdominal or back pain may also develop, sometimes as a vague or persistent ache. In some cases, discomfort may become more noticeable after eating or while lying down.

Digestive changes can include nausea, vomiting, reduced appetite, bloating, or difficulty digesting food. Because the pancreas plays an important role in digestion and blood-sugar regulation, pancreatic problems can sometimes affect how the body processes nutrients. Unintended weight loss may occur as a result of reduced appetite, digestive difficulties, or changes in metabolism.

Blood clots can also occur in people with pancreatic cancer, although they have many other possible causes. Because these symptoms are not specific to pancreatic cancer, they should not be used to diagnose the disease. If symptoms are persistent, unexplained, worsening, or concerning, speaking with a healthcare professional can help determine the appropriate evaluation and next steps.