Pancreatitis is inflammation of your pancreas
Pancreatitis means your pancreas has become swollen and inflamed. Your pancreas is a gland about the size of your hand that sits behind your stomach. It does two main jobs: it makes digestive juices that help break down food in your small intestine, and it produces hormones—especially insulin—that control your blood sugar.
When your pancreas becomes inflamed, it cannot do these jobs properly. The inflammation can develop suddenly (acute pancreatitis) or develop slowly over time (chronic pancreatitis). Both types cause pain and can damage the pancreas permanently if left untreated.
Key Takeaways
- Pancreatitis is swelling of the pancreas, a gland that makes digestive juices and hormones like insulin.
- Acute pancreatitis comes on suddenly and usually improves with treatment, while chronic pancreatitis develops slowly and can cause lasting damage.
- The most common causes are gallstones and heavy alcohol use, though certain medications and genetic conditions can also trigger it.
- Doctors diagnose pancreatitis using blood tests that measure pancreatic enzymes, imaging like CT scans, and sometimes endoscopy.
- Treatment focuses on resting the pancreas, managing pain, and treating the underlying cause to prevent it from happening again.
Acute pancreatitis comes on suddenly and usually improves
Acute pancreatitis develops over hours or days. You feel severe pain in your upper abdomen, often spreading to your back. You may also have nausea, vomiting, and a fever. The pain is usually constant and gets worse when you eat, especially fatty foods.
Most people with acute pancreatitis recover fully with treatment. Your doctor will admit you to the hospital, where you will rest your pancreas by not eating or drinking (or receiving nutrition through an IV), take pain medication, and receive fluids to prevent dehydration. Once the inflammation settles, you can gradually start eating again. The whole process usually takes one to two weeks.
Chronic pancreatitis develops slowly and causes lasting damage
Chronic pancreatitis develops over months or years. The pancreas becomes scarred and stops working properly. You may have ongoing pain in your upper abdomen, or the pain may come and go. You might notice your stools are pale, greasy, or float—a sign your body is not digesting fat properly. You may also lose weight without trying, feel tired, or notice your blood sugar is higher than normal.
Chronic pancreatitis cannot be reversed, but treatment can slow it down and manage your symptoms. Your doctor may prescribe pancreatic enzymes to help you digest food, medications to control pain, and insulin if your pancreas can no longer make enough of it. Treating the underlying cause—usually stopping alcohol use—is critical to prevent further damage.
Gallstones and alcohol are the most common causes
Gallstones cause about 40 percent of acute pancreatitis cases. Gallstones are hard deposits that form in your gallbladder, a small organ that stores bile. If a stone blocks the pancreatic duct (the tube that carries digestive juices from the pancreas), it can trigger inflammation. This type of pancreatitis usually happens suddenly and often requires the gallstone to be removed.
Heavy alcohol use is the leading cause of chronic pancreatitis. Alcohol damages the pancreas over time, leading to scarring and loss of function. Even if you stop drinking, the damage may not fully reverse, though stopping prevents it from getting worse.
Other causes include certain medications (such as some antibiotics, diuretics, and immunosuppressants), high triglycerides (a type of fat in your blood), genetic conditions that run in families, and autoimmune diseases where your body attacks the pancreas. Sometimes doctors cannot find a cause, which is called idiopathic pancreatitis.
Doctors use blood tests and imaging to diagnose pancreatitis
When you come to the hospital or clinic with severe upper abdominal pain, your doctor will order blood tests. They look for elevated levels of two pancreatic enzymes: amylase and lipase. These enzymes leak into your bloodstream when the pancreas is inflamed. High levels strongly suggest pancreatitis, though the level does not always match how severe the inflammation is.
Your doctor will also order imaging to see the pancreas directly and look for gallstones or other problems. A CT scan (computed tomography) is the most common choice—it takes detailed cross-section pictures of your abdomen. An ultrasound can also show gallstones and pancreatic swelling. If your doctor suspects a blocked pancreatic duct, they may use ERCP (endoscopic retrograde cholangiopancreatography), a procedure where a thin tube with a camera is passed down your throat to look inside and sometimes remove a blockage.
Your doctor may also check your triglyceride level, liver function, and blood sugar to understand what caused the pancreatitis and whether it has affected other organs.
Treatment depends on whether pancreatitis is acute or chronic
For acute pancreatitis, the main goal is to rest your pancreas and let the inflammation settle. You will not eat or drink by mouth for several days—your body gets nutrition through an IV instead. You will receive IV fluids to prevent dehydration, which is common because of vomiting and fever. Pain medication helps manage the severe pain. Antibiotics may be given if there is a risk of infection.
Once your pain improves and blood tests show the inflammation is settling, you will start eating again, usually beginning with clear liquids and bland foods. You will stay in the hospital until you can eat without pain and your symptoms have improved.
For chronic pancreatitis, treatment focuses on managing pain and replacing what the pancreas can no longer do. Your doctor may prescribe pancreatic enzyme supplements (taken with meals) to help you digest food and absorb nutrients. If your pancreas cannot make enough insulin, you will need insulin injections or other diabetes medications. Pain control may involve over-the-counter or prescription pain relievers. In some cases, surgery can help if a duct is blocked or scarring is severe.
What happens after treatment and how to prevent recurrence
After acute pancreatitis, your pancreas usually returns to normal function. However, you need to address the cause to prevent it from happening again. If gallstones caused it, your doctor will likely recommend removing your gallbladder. If alcohol triggered it, stopping drinking is essential—even small amounts can cause another episode.
For chronic pancreatitis, you will need ongoing care. Regular visits with your doctor help monitor your pancreatic function, manage pain, and watch for complications like diabetes or pancreatic cancer (which is slightly more common in people with chronic pancreatitis). Stopping alcohol use, eating a low-fat diet, and taking prescribed medications as directed all help slow the disease.
Some people develop complications. Acute pancreatitis can lead to organ failure if very severe. Chronic pancreatitis can cause malnutrition (because you cannot digest food properly), diabetes, and chronic pain that is hard to control. These complications are why early treatment and addressing the underlying cause matter.
Frequently Asked Questions
Can pancreatitis go away on its own?
Acute pancreatitis usually improves with hospital treatment, though it can be life-threatening if severe. Chronic pancreatitis does not go away—it is a long-term condition. However, stopping the cause (like alcohol) and following your doctor's treatment plan can slow it down and reduce symptoms.
Is pancreatitis the same as pancreatic cancer?
No. Pancreatitis is inflammation; pancreatic cancer is a tumor. However, chronic pancreatitis slightly increases your risk of pancreatic cancer over time, which is why regular monitoring matters if you have chronic pancreatitis.
What foods should I avoid if I have pancreatitis?
During acute pancreatitis, you will not eat at all while in the hospital. After recovery, avoid fatty and greasy foods, which trigger pain and worsen digestion. Alcohol must be avoided completely. Your doctor or a dietitian can give you a specific list based on your situation.
Can you die from pancreatitis?
Severe acute pancreatitis can be life-threatening, especially if it causes organ failure or infection. However, most people who reach the hospital in time recover. Chronic pancreatitis is not usually fatal by itself, but complications and related conditions can affect life expectancy.
How long does it take to recover from acute pancreatitis?
Most people spend one to two weeks in the hospital. Full recovery—returning to normal eating and activity—usually takes two to six weeks. Chronic pancreatitis is lifelong and does not have a recovery period, but symptoms can be managed with treatment.