Why three crushed pits hit a small dog harder
When pear pits are crushed or chewed, they release amygdalin, which converts to cyanide in the body. For a 5 kg dog, three pits mean a higher concentration of toxin per pound than a larger animal would experience. The physical crushing amplifies the risk—it's not like swallowing whole pits, which might pass through intact. Your dog's size turns what might be a mild issue for a 30 kg lab into a potential crisis.
Small breeds also metabolize toxins faster due to their higher metabolic rates, so signs like panting, dilated pupils, or stumbling may appear sooner. The fact that the pits were actively chewed (not just swallowed) means the cyanide release likely started in the mouth, absorbing quickly through mucous membranes. Time matters here—even if your dog seems okay now, effects can progress rapidly over the next hour.
What the vet will need to know immediately
When you call, specify that the pits were crushed—this detail changes how the vet calculates the cyanide exposure. They'll ask roughly when it happened (within the last 30 minutes? An hour ago?), whether your dog ate anything else recently (full stomach slows absorption), and if you've noticed any changes in breathing or gum color. Bright pink gums now don't rule out risk—cyanide interferes with oxygen use at the cellular level, so gums may stay pink even as tissues starve.
Expect the clinic to prepare for possible oxygen therapy or antidotes. They may instruct you to bring your dog in wrapped in a blanket (stress increases oxygen demand) and to avoid letting her exercise during transport. If it's after hours, don't wait for your regular vet—head to the nearest emergency clinic with the approximate pit count and timing details.
The critical first hour after ingestion
While arranging vet care, watch for subtle shifts: Is your dog panting more than usual after minimal activity? Are her pupils unusually wide even in normal light? These can precede more obvious collapse. Avoid home remedies like hydrogen peroxide—inducing vomiting could accelerate cyanide absorption from stomach acids. Keep her calm and cool; excitement increases oxygen consumption.
If you're driving to the vet, note any new symptoms en route—timing helps the medical team. For example, "She was normal when we left but started drooling halfway here" gives crucial progression clues. Bring any remaining pits or vomit (if she threw up spontaneously) in a sealed bag—the vet may check for pit fragments to estimate exposure.
Why smaller dogs show symptoms sooner
A 5 kg body has less blood volume to dilute toxins compared to larger dogs, so clinical signs tend to appear faster and hit harder. The amount of cyanide from three crushed pits could overwhelm your dog's detox pathways quicker than you'd expect. Smaller animals also have less glycogen reserve, making them prone to hypoglycemia when stressed—another reason not to delay care.
After treatment, monitoring continues for 24-48 hours because cyanide can cause rebound effects. Your vet may recommend blood work to check organ function, especially if symptoms appeared. For future prevention, remember that pits in compost, fruit bowls, or garbage are especially risky for small dogs—their curiosity and size make them more likely to chew dangerous items that bigger dogs might ignore.
The step-by-step response, from the first minute to the vet visit, is in our Pear Pits and Seeds Poisoning in Dogs and Cats emergency guide.