Subhash Chandra Subhash Chandra Asked 7 months ago

Can pancreatic cancer cause diabetes?

My father, who never had diabetes before, was recently diagnosed with it, and shortly after, they found pancreatic cancer. I'm wondering if there's a link. Can pancreatic cancer cause diabetes?

12

12 answers

Gurdip Singh Gurdip Singh Joined May 2026 5 months ago
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Over my seventy years, I have seen many medical cases in our family. Yes, when the pancreas is damaged by a tumor, it stops making insulin properly, causing sudden diabetes. But don't lose heart, with modern treatments, doctors can manage both conditions very well.

Kriti Saxena Kriti Saxena Joined Jan 2026 7 months ago

Actually, yes, a sudden onset of diabetes in someone who has no family history can sometimes be an early sign of pancreatic issues. My friend's father had this exact situation. It is always better to get a proper checkup done if your sugar levels spike suddenly.

Siddharth Malhotra Siddharth Malhotra Joined Jan 2026 7 months ago

I totally get it, hearing about a link between cancer and diabetes is extremely stressful and scary. Yes, because the pancreas controls insulin, a tumor there can lead to diabetes. Please take a deep breath and talk to a doctor who can explain this without making you panic.

Priyanka Deshpande Priyanka Deshpande Joined Feb 2026 7 months ago

When we were consulting at a major hospital in Mumbai, the doctor explained that the pancreas produces insulin, so cancer there directly impacts blood sugar. I highly recommend visiting a reputed hospital and asking your oncologist or endocrinologist to explain the connection clearly.

Vinay Prasad Vinay Prasad Joined Mar 2026 7 months ago

Yes, this is true because the pancreas houses the insulin-producing cells. A sudden spike in sugar in older adults is often evaluated for pancreatic issues.

Rahul Verma Rahul Verma Joined Mar 2026 7 months ago

Hey, don't stress too much about this right now! Yes, there is a connection because of how the pancreas handles insulin, but most diabetes cases are just standard lifestyle things. Just book an appointment and get it sorted, chill out!

Neha Kapoor Neha Kapoor Joined Apr 2026 6 months ago

According to the gastroenterologist we consulted, about 30% of pancreatic cancer patients present with diabetes first. The tumor physically disrupts insulin production or causes insulin resistance. It is crucial to evaluate sudden late-onset diabetes with an abdominal ultrasound or CT.

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Consult a endocrinologist

Meenakshi Iyer Meenakshi Iyer Joined Apr 2026 6 months ago

It is so hard when you are constantly worrying about your health and reading about connections like this online. When my uncle got diagnosed with diabetes out of nowhere, we were so scared of pancreatic issues. Your anxiety is completely valid, please be gentle with yourself.

Abhishek Dubey Abhishek Dubey Joined May 2026 5 months ago

Because the pancreas is responsible for blood sugar regulation, any damage to it can trigger diabetes. But please do not self-diagnose based on this. Go to a diagnostic lab and get a proper scan and blood test ordered by a certified physician.

Ramesh Chawla Ramesh Chawla Joined Jun 2026 5 months ago

It can cause it, yes, but let's not jump to worst-case scenarios. Start by keeping a simple daily sugar log and book a consult with a local diabetologist. Getting regular fasting tests is a practical and inexpensive first step.

Savita Patil Savita Patil Joined Jul 2026 4 months ago

Yes, it can. My aunt had new-onset diabetes that we ignored for months, and it turned out to be due to a tumor in her pancreas which became very complicated to treat later. Please see a doctor immediately if you notice sudden, unexplained sugar rises.

Rohan Sen Rohan Sen Joined Jul 2026 4 months ago

Biologically, pancreatic cancer can destroy the islet cells that produce insulin, leading to secondary diabetes. However, diabetes is incredibly common and usually has other benign causes. Getting a doctor's evaluation is the only way to find the real cause.

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