When pancreatic function is affected, blood sugar regulation can change.
In some people, newly developed diabetes or unexpected changes in blood sugar may be associated with pancreatic disease.
This does not mean that diabetes generally indicates pancreatic cancer. Type 2 diabetes is extremely common and has many established risk factors.
However, an unusual change in blood glucose, particularly when it occurs alongside unexplained weight loss or digestive symptoms, may prompt a physician to investigate further.
Another possible symptom is fatigue.
A person may feel unusually tired even after adequate sleep. Cancer-related fatigue can be influenced by metabolic changes, inflammation, reduced food intake, anemia, sleep disruption, and other factors.
Again, fatigue is highly nonspecific.
Millions of people experience fatigue for reasons completely unrelated to cancer.
Digestive symptoms can also include nausea, vomiting, indigestion, bloating, or discomfort after meals.
Because these symptoms overlap with many common gastrointestinal disorders, they are rarely enough to identify the underlying cause on their own.
The key is the overall pattern.
For example, persistent indigestion combined with unexplained weight loss, jaundice, or continuing abdominal pain deserves more attention than occasional heartburn after a heavy meal.
Doctors may use a combination of medical history, physical examination, blood tests, and imaging to investigate concerning symptoms.
Depending on the circumstances, tests can include ultrasound, CT scans, MRI, or specialized procedures.
If a suspicious lesion is identified, additional testing may be necessary to establish a diagnosis.
This is why online symptom lists should be treated as warning information rather than diagnostic tools.
No collection of symptoms can determine whether someone has pancreatic cancer without appropriate medical evaluation.
Chapter 5 — When Should You Seek Medical Attention?
The twelve symptoms commonly discussed in connection with pancreatic cancer include:
- Persistent abdominal pain
- Back pain
- Unexplained weight loss
- Loss of appetite
- Jaundice or yellowing of the eyes
- Dark urine
- Pale or greasy stools
- Persistent indigestion or digestive discomfort
- Nausea or vomiting
- Unusual fatigue
- Changes in blood sugar or newly diagnosed diabetes
- Persistent itching associated with jaundice