The first 4 hours are critical for a 5 kg dog
Two hours post-ingestion, your Yorkie may still absorb toxins if the peanut butter contained xylitol. Check the ingredient list immediately—terms like "sugar-free," "natural sweetener," or "keto-friendly" often indicate its presence. Even if the label seems safe, hidden xylitol in flavored varieties (e.g., cinnamon or chocolate) requires urgent vet care.
Without xylitol, the primary risk shifts to pancreatitis from the fat content. A tablespoon is roughly 10% of your dog’s daily calorie needs, which can strain their small digestive system. Expect possible soft stools or mild stomach gurgling, but vomiting means the fat is overwhelming their system.
Late-stage symptoms that demand action
Between hours 6–12, watch for weakness, stumbling, or seizures—these signal xylitol’s life-threatening blood sugar drop. Gum discoloration (pale or yellow) indicates liver stress. Time matters: inducing vomiting at home now could worsen neurological symptoms if xylitol is involved.
For regular peanut butter, bloating or refusing water by hour 8 suggests gastrointestinal distress. Small breeds are prone to dehydration from salt-induced thirst, so offer ice cubes if they’re lapping weakly. Never wait overnight—Yorkies deteriorate rapidly due to their size.
Why fat content hits small dogs harder
Your dog’s tablespoon-sized portion packs 8–10 grams of fat—equivalent to a human eating two cheeseburgers at once. Their pancreas may release excessive digestive enzymes, causing inflammation. Press gently behind their rib cage; pain or hunched posture warrants same-day vet care.
Repeated episodes increase chronic pancreatitis risk. If this happens often, switch to safer training treats like diced chicken. Avoid "low-fat" peanut butters—they often replace fat with xylitol or excess sugar, which are equally problematic.
Post-24-hour care even if signs improve
If your dog seems normal after 12 hours, maintain a bland diet (boiled rice and lean meat) for two days to rest their gut. Skip treats and monitor stool consistency—greasy or pale feces indicate lingering fat digestion issues. Hydration is key; add low-sodium broth to water if intake seems low.
Future peanut butter servings should be limited to ¼ teaspoon for a dog this size, given monthly at most. Measure jars after use—some dogs learn to steal them, and chronic exposure to even xylitol-free varieties risks obesity and diabetes.
The full verdict, portion guidance and serving notes are collected on the Peanut butter food facts page.