Pancreatitis is one of the health conditions that cats owners should know about, because it affects quality of life, and it is easier to manage when it is caught early. This guide explains what pancreatitis is, the signs to watch for, what causes it, how it is diagnosed, how it is treated, whether it can be prevented, and how to live with a cat that has it. Every suggestion here is general guidance, not a prescription for an individual cat.
This guide covers pancreatitis in cats in full: what it is, the signs to watch for, what causes it, how it is diagnosed, how it is treated, whether it can be prevented, and how to live with a cat that has it. Every suggestion here is general guidance, not a prescription for an individual cat, and a cat with pancreatitis should be checked by a vet, because the right treatment depends on the individual cat, its age, and how advanced the condition is.
What is pancreatitis in cats?
Pancreatitis is a condition where the pancreas — the organ that makes insulin and the enzymes that digest food — becomes inflamed. It can come on suddenly and be very painful, or it can be a long-term, low-grade problem that flares up now and then. Pancreatitis is more common in dogs than in cats, and in dogs it is often linked to a fatty meal: a cat that eats a large amount of fatty food, such as a roast dinner or a bin full of scraps, can develop pancreatitis within a day. It is a serious condition, and a cat with pancreatitis needs a vet — it is not something to treat at home.
The rest of this guide covers the signs, the causes, how pancreatitis is diagnosed, how it is treated, whether it can be prevented, and how to live with a cat that has it. A cat with pancreatitis should be checked by a vet, because the right treatment depends on the individual cat, its age, and how advanced the condition is — and because some of the signs of pancreatitis can also be signs of other conditions, which need a vet to tell apart. The cat ideal weight calculator works out a target weight range, and the when is a cat considered a senior guide gives the senior thresholds by size.
Signs of pancreatitis in cats
The signs of pancreatitis in cats are listed below. Not every cat with pancreatitis will show every sign, and some cats will show only one or two — but any one of these signs, especially if it lasts more than a few days or gets worse, is worth mentioning to a vet. A cat that is bright, eating, drinking, and otherwise well between episodes is less likely to be seriously ill than a cat that is lethargic, off its food, or losing weight — but the only way to know is to check.
- Vomiting, often more than once, and a cat that cannot keep water down.
- Belly pain — the cat is hunched, with its back arched, or it cries out when its belly is touched.
- A loss of appetite, or a cat that goes off its food.
- Diarrhoea, sometimes with a greasy or pale look.
- Lethargy, weakness, and a cat that seems generally unwell.
- A fever, and a cat that is warm to the touch.
- Dehydration — dry gums, and skin that stays tented when gently pinched.
If two or more of those signs apply, or if one sign is severe — a cat that cannot urinate, cannot breathe, cannot stand, or has had a seizure lasting more than five minutes — see a vet the same day. Those are signs that need a vet, not waiting. Bring a note of when the signs started, how often they happen, and what the cat eats and drinks — that information helps the vet far more than a guess about the cause. The how to tell if your cat is overweight guide gives the hands-on check for weight, which matters for many of these conditions.
Causes and risk factors for pancreatitis
In dogs, pancreatitis is often triggered by a fatty meal: a large amount of fatty food, such as a roast dinner, a bin full of scraps, or a fatty treat, can set it off within a day. Some cats are more prone than others, because of their genes or their weight, and some medicines can trigger it. In cats, pancreatitis is less often linked to food, and more often linked to another condition, such as an inflamed gut or liver disease. A cat that has had pancreatitis once is more likely to have it again, which is why a low-fat diet is usually recommended for life after it.
Some cats are more prone to pancreatitis than others, because of their genes, their breed, their size, or their age — but breed and age are not destiny, and a cat of any breed can develop pancreatitis. What an owner can control is weight, food, exercise, and vet checks: a cat at a healthy weight, with measured food and daily exercise, is less likely to develop pancreatitis and will cope better with it if it does. A cat that is overweight, that eats a poor diet, or that never sees a vet is more likely to develop pancreatitis and to have it found late, when it is harder to treat.
How pancreatitis is diagnosed
A vet diagnoses pancreatitis with a physical examination, a blood test, and sometimes an ultrasound. The blood test shows whether the pancreas is inflamed, and the ultrasound shows whether the pancreas is swollen. A cat that is vomiting, in belly pain, and off its food should be seen by a vet promptly — pancreatitis is painful and can become serious fast, and a cat that cannot keep water down will dehydrate within a day. Do not try to treat it at home, and do not fast the cat without veterinary advice.
If you are worried about your cat, see a vet and mention pancreatitis by name, with the signs you have seen and when they started. Bring a note of what the cat eats, how much, and any medicines it takes, and whether it has had pancreatitis or a related condition before. A video of the signs, if it is safe to take one, helps the vet far more than a description — especially for seizures, limping, or breathing problems. Do not try to diagnose pancreatitis yourself, and do not buy medicines or special diets for it without veterinary advice, because the wrong treatment can make it worse.
Treatment and management of pancreatitis
Treatment is at the vet: fluids into a vein to replace what the cat has lost, medicines for pain and nausea, and rest for the pancreas — which usually means no food for a short time, as the vet advises, and then a gradual return to a low-fat food. The vet will also check for the conditions that can bring pancreatitis on, and will advise on a long-term diet. A cat with mild pancreatitis may recover in a few days, and a cat with severe pancreatitis may need intensive care. After it, the cat will need a low-fat diet for life, because a fatty meal is the most common trigger for a flare-up.
Treatment is a decision made with the vet, weighing the cat's age, health, and quality of life against the treatment and its side effects. Some owners choose not to treat, and to keep the cat comfortable instead — and that is a valid choice, made with the vet, not on the basis of a web page. Whatever is decided, the treatment must be followed every day, at the same times, and the cat must be checked regularly, because pancreatitis changes over time, and the treatment needs to change with it. Do not stop a medicine suddenly, and do not change the dose without veterinary advice.
Living with a cat with pancreatitis
A cat that has had pancreatitis needs a low-fat diet for life, fed in two or three smaller meals a day, with treats kept low in fat too. Watch for the signs coming back — vomiting, belly pain, loss of appetite — and see a vet promptly if they do, because a flare-up caught early is easier to treat than one left for days. Keep the cat at a healthy weight, and do not let it eat fatty food, however much it begs. A cat that has had pancreatitis can live a full and happy life with the right diet, but the diet matters every day, not just on good days.
Keep a routine: the same times for food, medicines, walks, and play, the same places for furniture, food, and water, and a calm, predictable home. Keep a note of appetite, drinking, weight, and behaviour, and mention any change to the vet promptly — a change that lasts more than a few days, or that gets worse, is worth a vet visit. Keep the cat at a healthy weight, with measured food and daily exercise at a level that suits its body, and keep vet checks regular: once a year as an adult, and twice a year as a senior. The senior cat diet guide covers feeding older cats, and the cat calorie calculator works out daily calories for any weight.
Can pancreatitis be prevented?
Pancreatitis cannot always be prevented, but the risk can be reduced a lot. Do not feed fatty scraps, gravy, or a roast dinner to a cat, and do not let it raid bins or steal food. Keep the cat at a healthy weight, because overweight cats are more prone. If the cat has had pancreatitis once, feed a low-fat diet for life, keep treats low in fat, and do not let it scavenge fatty food — a single fatty treat can be enough to trigger a flare-up.
Early checks matter most: have the cat checked regularly, so pancreatitis is found early, when treatment works best. Keep the cat at a healthy weight, with measured food and daily exercise, and mention any change in drinking, eating, weight, or behaviour to your vet early, because a change caught early is easier to treat than one left for weeks.
For related reading, see the cat ideal weight calculator, the cat body condition score chart, the how to tell if your cat is overweight guide, the senior cat diet guide, the cat calorie calculator, the when is a cat considered a senior guide.
Frequently asked questions
What is pancreatitis in cats?
Pancreatitis is a condition where the pancreas — the organ that makes insulin and the enzymes that digest food — becomes inflamed. It can come on suddenly and be very painful, or it can be a long-term, low-grade problem that flares up now and then. Pancreatitis is more common in dogs than in cats, and in dogs it is often linked to a fatty meal: a cat that eats a large amount of fatty food, such as a roast dinner or a bin full of scraps, can develop pancreatitis within a day. It is a serious condition, and a cat with pancreatitis needs a vet — it is not something to treat at home.
What are the signs of pancreatitis in cats?
The most common signs are: Vomiting, often more than once, and a cat that cannot keep water down. Belly pain — the cat is hunched, with its back arched, or it cries out when its belly is touched. A loss of appetite, or a cat that goes off its food. See the full list above for every sign to watch for, and see a vet promptly if two or more apply, or if one sign is severe.
What causes pancreatitis in cats?
In dogs, pancreatitis is often triggered by a fatty meal: a large amount of fatty food, such as a roast dinner, a bin full of scraps, or a fatty treat, can set it off within a day. Some cats are more prone than others, because of their genes or their weight, and some medicines can trigger it. In cats, pancreatitis is less often linked to food, and more often linked to another condition, such as an inflamed gut or liver disease. A cat that has had pancreatitis once is more likely to have it again, which is why a low-fat diet is usually recommended for life after it.
How is pancreatitis diagnosed?
A vet diagnoses pancreatitis with a physical examination, a blood test, and sometimes an ultrasound. The blood test shows whether the pancreas is inflamed, and the ultrasound shows whether the pancreas is swollen. A cat that is vomiting, in belly pain, and off its food should be seen by a vet promptly — pancreatitis is painful and can become serious fast, and a cat that cannot keep water down will dehydrate within a day. Do not try to treat it at home, and do not fast the cat without veterinary advice.
How is pancreatitis treated?
Treatment is at the vet: fluids into a vein to replace what the cat has lost, medicines for pain and nausea, and rest for the pancreas — which usually means no food for a short time, as the vet advises, and then a gradual return to a low-fat food. The vet will also check for the conditions that can bring pancreatitis on, and will advise on a long-term diet. A cat with mild pancreatitis may recover in a few days, and a cat with severe pancreatitis may need intensive care. After it, the cat will need a low-fat diet for life, because a fatty meal is the most common trigger for a flare-up.
When should a cat with pancreatitis see a vet?
See a vet promptly if the cat shows any of the signs above, especially if they last more than a few days or get worse — and the same day if the cat cannot urinate, cannot breathe, cannot stand, has had a seizure lasting more than five minutes, or is lethargic or off its food. Bring a note of when the signs started and what the cat eats and drinks. A cat with pancreatitis should be checked by a vet, because the right treatment depends on the individual cat, its age, and how advanced the condition is.
Results on this page are estimates for general information only and are not veterinary advice. If your pet is ill, underweight, overweight, pregnant, or has a health condition, consult your veterinarian before changing diet or care.