Pancreatitis: Symptoms, Causes & Treatment

Written by Dr. Simon Khela MBChB MRCGP, GMC Registered Doctor

Last reviewed: 05-08-2026

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Pancreatitis is one of the few conditions covered in this series where getting the safety information right matters more than almost anything else I could tell you. Most cases are mild and settle with hospital care within a week. But a meaningful minority become genuinely serious, quickly, and knowing the difference and when to act is the single most useful thing this guide can offer.

This article explains what pancreatitis actually is, the difference between the acute and chronic forms, what causes it, the symptoms to recognise, and,  most importantly,  when sudden abdominal pain needs emergency treatment rather than a wait-and-see approach.

What Is Pancreatitis? A Quick Answer

Pancreatitis is inflammation of the pancreas, an organ behind your stomach that helps digest food and produces hormones including insulin. It comes in two distinct forms: acute pancreatitis, which develops suddenly and needs urgent hospital treatment, and chronic pancreatitis, a long-term condition where the pancreas becomes permanently scarred. The most common causes are gallstones and heavy alcohol use, together responsible for around 80% of cases. Most acute cases are mild and improve within a week with hospital care, though around 1 in 4 people develop more serious complications. Chronic pancreatitis has no cure, but its symptoms and complications can be actively managed.

Acute vs Chronic Pancreatitis: Two Different Conditions

Many patients are surprised to learn that “pancreatitis” actually covers two quite different conditions, and the distinction matters for how worried to be and what treatment looks like:

• Acute pancreatitis, sudden inflammation developing over hours, needing urgent hospital assessment. Most people recover fully within days to a couple of weeks
• Chronic pancreatitis, a long-term condition where repeated inflammation has caused permanent scarring. There's no cure, but symptoms and complications can be managed over the long term

Repeated episodes of acute pancreatitis, particularly if the underlying cause (usually alcohol) isn't addressed, can eventually lead to chronic pancreatitis ,  so the two aren't entirely separate stories.

What Causes Pancreatitis?

The two most common causes, together responsible for roughly 80% of acute cases, are:

• Gallstones,  which can block the opening of the pancreas
• Drinking a lot of alcohol

Less common causes of acute pancreatitis include:

• Injury to the pancreas, including during surgery
• Certain medicines, including some steroids, heart and epilepsy medicines
• Other conditions, including mumps, lupus, or having high levels of calcium or fats in the blood

Chronic pancreatitis is most commonly caused by long-term heavy alcohol use, and can also be linked to:

• Smoking
• Genetic factors, including the gene that causes cystic fibrosis ,  the most common cause in children
• The immune system mistakenly attacking the pancreas
• The pancreas not developing properly before birth

A question I am frequently asked is whether pancreatitis only affects heavy drinkers. It doesn't; gallstones are, overall, the more common cause, and plenty of patients with no history of heavy drinking develop pancreatitis this way. Diagnosis usually includes a private blood test to check pancreatic enzymes and other markers, rather than relying on symptoms and history alone to work out what's actually going on.

Pancreatitis Symptoms

Acute Pancreatitis Symptoms

The main symptom is pain in your tummy (abdomen), which may:

• Start suddenly and not go away
• Be severe, sharp or knife-like
• Affect the upper part of your tummy, one side, or your whole tummy
• Spread to your sides and back
• Feel worse after eating, moving around, or lying down
• Feel better when you lean forward or curl into a ball

You may also have a high temperature and feel or be sick.

Chronic Pancreatitis Symptoms

The main symptom is tummy pain, which can be constant or come and go. Other symptoms can include:

• Nausea or vomiting
• Diarrhoea, or very smelly stools that float and are hard to flush
• Bloating
• Feeling unusually thirsty or needing to urinate often
• Losing weight without trying to

Many patients are surprised to learn how similar these symptoms can look to irritable bowel syndrome or gallstones, which is exactly why chronic pancreatitis is sometimes missed or delayed in diagnosis.

Pancreatitis: When to Worry

This is the section I'd most want you to read carefully. Pancreatitis can escalate quickly, and knowing which category your symptoms fall into genuinely matters.

Seek Urgent Help (GP or NHS 111) If:

You have sudden, severe tummy pain and:

• It doesn't go away, or keeps coming back
• You have a high temperature, or feel hot, cold or shivery

Call 999 or Go to A&E Immediately If:

You have sudden, severe tummy pain and:

• The pain is spreading to your back
• You have bloating that doesn't go away or keeps coming back
• You have a fast heartbeat or difficulty breathing
• The skin around your belly button, waist or upper outer thigh looks blue or bruised (this can be harder to see on black or brown skin)

One of the most common concerns I see in practice is a patient who's waited a day or two hoping severe abdominal pain will settle on its own. With suspected acute pancreatitis, that's genuinely not the right approach; do not drive yourself to A&E; ask someone to drive you, or call 999 for an ambulance, and bring any medicines you take with you.

Can You Die From Pancreatitis?

It's a fair question to ask directly, and I'd rather answer it honestly than avoid it. Most people with acute pancreatitis ,  around 4 out of 5 ,  have a mild form that settles with rest and supportive hospital care, carrying a low risk of death (under 1%).

For the remaining group, the picture is more serious. Around 1 in 4 people with acute pancreatitis develop complications, which can include infected pancreatic necrosis (where part of the pancreas tissue dies), organ failure, or a serious body-wide infection called sepsis. In these more severe cases, treatment in an intensive care unit may be needed, and pancreatitis can genuinely be life-threatening.

Chronic pancreatitis works differently; it's rarely an immediate emergency in the way severe acute pancreatitis can be, but it can shorten life expectancy over time through its long-term complications, and repeated flare-ups of acute inflammation on top of chronic disease carry the same risks described above. This is exactly why ongoing monitoring and addressing the underlying cause matter as much as treating any single episode.

How Is Pancreatitis Diagnosed?

Acute pancreatitis is usually diagnosed in hospital using:

• Blood tests, checking for raised pancreatic enzymes such as amylase or lipase
• A CT scan, if there's uncertainty or to check for complications

Chronic pancreatitis can be harder to pin down, and may involve:

• A physical examination, including checking for yellowing of the skin or eyes
• Blood tests or a stool sample
• A CT or ultrasound scan
• A gastroscopy, in some cases

If your case is recurrent, unclear, or your GP wants specialist input, a referral to a specialist,  usually a gastroenterologist ,  allows more detailed investigation and ongoing management, particularly for chronic pancreatitis where several specialists are often involved over time.

How to Treat Pancreatitis

Treating Acute Pancreatitis

Acute pancreatitis needs hospital treatment, which typically includes:

• Fluids and nutrients given through a tube into a vein
• Painkillers
• Antibiotics, if an infection has developed
• Treatment for the underlying cause, such as surgery for gallstones or support to stop drinking alcohol

Most people start to improve within a week and leave hospital within 5 to 10 days, though severe cases need longer.

Treating Chronic Pancreatitis

There's no cure, but treatment focuses on managing symptoms and related problems:

• Painkillers for ongoing discomfort
• Medicines that help the body absorb nutrients from food (pancreatic enzyme replacement)
• Medicines for diabetes, including insulin, if it develops
• Surgery, in some cases, to remove cysts or unblock the pancreas or bile ducts

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Both forms are genuinely manageable with the right care; the biggest difference is that acute pancreatitis is a medical emergency in the moment, while chronic pancreatitis is a long-term condition to be managed over years.

Preventing Pancreatitis

If you've had acute pancreatitis once, it's possible to get it again. Steps that can help reduce your risk include:

• Cutting down on alcohol, or stopping entirely ,  understanding the health benefits of quitting alcohol can be a useful starting point if you're weighing up making this change
• Stopping smoking
• Eating a healthy, low-fat diet
• Gradually working towards a healthy weight, since obesity increases the risk of gallstones ,  the leading cause of pancreatitis, through gradual a weight loss management can be a more sustainable route than rapid weight loss, which can itself increase gallstone risk.

Living With Chronic Pancreatitis

Chronic pancreatitis can have a significant impact on daily life, and ongoing monitoring is a genuine part of good care, checking for diabetes and bone health over time, alongside a broader health assessment to review how things are tracking overall, rather than only responding when symptoms flare.

It's also worth being honest that living with chronic pain, and in many cases addressing alcohol dependency at the same time, takes a real emotional toll. A confidential mental health assessment alongside physical treatment is a legitimate and often overlooked part of managing this well, not a separate issue to the pancreatitis itself.

Common Myths About Pancreatitis

• Myth: Only heavy drinkers get pancreatitis. Fact: Gallstones are the more common overall cause, and many people with pancreatitis have no history of heavy drinking at all.
• Myth: Pancreatitis always needs surgery. Fact: Most acute cases are treated with supportive hospital care, fluids, painkillers, and monitoring ,  rather than an operation.
• Myth: Once you recover, you're back to normal for good. Fact: Recurrent episodes, especially if the underlying cause isn't addressed, can lead to chronic pancreatitis over time.
• Myth: Ongoing pain means the pancreas is actively inflamed right now. Fact: Chronic pancreatitis pain can persist due to nerve changes and scarring, even between active flare-ups.
• Myth: It's just a bad stomach ache. Fact: Severe acute pancreatitis is a genuine medical emergency that can be life-threatening without prompt treatment.

When to See a GP

Beyond the emergency situations covered above, it's worth speaking to a GP if you have:

• Recurring tummy pain that isn't severe enough for A&E but keeps coming back
• Persistent bloating, greasy or unusually smelly stools, or unexplained weight loss
• A known history of gallstones or heavy alcohol use, alongside any digestive symptoms
• Ongoing symptoms after a previous episode of acute pancreatitis

A private GP appointment is a reasonable way to discuss non-urgent symptoms like these and agree on whether further investigation makes sense.

Frequently Asked Questions