Can Dogs Eat Peanut Butter? What to Check First

Xylitol is the key risk. The ASPCA explains that it can cause a drop in blood sugar and, depending on the amount, liver damage. Early signs include vomiting, lethargy and a wobbly, uncoordinated walk, and they can progress to seizures. Liver damage can appear within about 12 to 24 hours.

Xylitol may also be listed as birch sugar or sugar alcohol. If you cannot tell what is in the jar, do not use it. Natural, simple peanut butter with peanuts and perhaps a little salt is the usual choice.

Peanut butter is calorie dense, and the ASPCA notes that fatty nuts can cause stomach upset and possibly pancreatitis in some dogs. For most dogs a small lick or about a teaspoon is plenty, and less for toy breeds. Count it as part of the day's treats. Extras like this should stay a small part of the day's food. A common vet guideline is that treats and extras make up no more than about 10 percent of daily calories.

Peanut butter works well as a training reward and enrichment tool, as long as you keep the amount small.

• Spread a thin layer on a lick mat to keep a dog calm during grooming.
• Stuff a thin layer into a food toy, then freeze it.
• Hide a pill in a small dab, if your vet agrees it is suitable.
• Use a tiny amount for a hard training challenge, then go back to ordinary treats.

Ask your vet before offering peanut butter if your dog has had pancreatitis, is overweight, has a peanut allergy, or is on a prescription diet. Choose another reward when in doubt.

Note: This article is general information, not veterinary advice. Dogs differ by size, age and health, so ask your veterinarian if your dog has a medical condition, is a puppy, or is on a special diet.

Read the ingredient list every time, even for brands you have used before, because recipes change. The simplest jars contain peanuts and sometimes salt. Look out for words such as xylitol, birch sugar, sugar alcohol, and sweetener, and avoid anything that lists them. Sugar-free and low-sugar products are the most likely to contain xylitol.

Natural peanut butters can separate, with oil on top. Stir it well, since a layer of pure oil on top is rich and can upset a stomach. Keep the jar in a place your dog cannot reach, since xylitol jars are a common cause of accidents when dogs steal them.

A thin smear goes a long way. For training, smear a tiny amount on a spoon or a plate and let your dog lick for a few seconds as a reward during nail trims or grooming. For enrichment, freeze a thin layer in a food toy, which keeps a dog busy without a big calorie bill.

If your dog gulps, use a toy that makes licking slow. Avoid thick lumps on a spoon, which stick to the roof of the mouth and can cause a coughing fit in some dogs.

A big raid on a jar of plain peanut butter usually causes an upset stomach, because of the fat. Watch for vomiting, diarrhea, a hunched back, or lack of interest in food, which can point to pancreatitis. Call your vet if these appear or if your dog is small, old, or has had pancreatitis before.

If the jar contained xylitol, call immediately, even if your dog seems fine. The ASPCA explains that low blood sugar can show up quickly, and liver damage can take up to a day or more to appear.

A tablespoon of peanut butter has a lot of calories, which is a big share of the daily needs of a small dog. Many owners do not realise how fast it adds up when it is used for pills, toys and training all in one day. If your dog is gaining weight, peanut butter is one of the first extras to cut back.

Use a measuring spoon rather than eyeballing, and consider lower-calorie lick mat spreads such as a thin layer of plain pumpkin or plain yogurt on days you have already given peanut butter.

Puppies can have small amounts of plain xylitol-free peanut butter, but their main nutrition should come from a complete puppy food, so keep it as a rare reward. Senior dogs may find the sticky texture hard to swallow, so use a thin smear.

Dogs with a history of pancreatitis, kidney disease or food allergies should only have peanut butter if their vet agrees. If your dog develops itching, hives or vomiting after eating it, stop and ask your vet whether a peanut allergy is possible.

The most common mistake is not reading the label because it is a familiar brand. Recipes change, and new low-sugar versions can include xylitol. Another mistake is leaving jars where dogs can reach them. A jar of xylitol peanut butter on a low shelf is a serious emergency waiting to happen.

Owners also underestimate how many calories it adds. A dog that gets peanut butter in a toy at breakfast, a spoonful for a pill, and a lick during grooming may be getting far more than expected. Track it over a whole day.

Finally, thick peanut butter on a spoon can stick in the mouth and cause coughing. A thin smear on a mat or plate is safer. If your dog seems to be choking, treat it as an emergency and get veterinary help.