Why a spoonful matters for a 5 kg poodle
A tablespoon of whole coriander seeds is roughly 50-60 individual seeds — a significant volume for a small dog’s digestive system. While coriander isn’t toxic, the hard shells of whole seeds can mechanically irritate the stomach lining, especially in petite breeds like your poodle. The main concern isn’t poisoning, but rather whether those undigested seeds will trigger vomiting or pass uncomfortably through the intestines.
Small dogs often struggle with fibrous plant materials because their gut motility differs from larger breeds. Your poodle’s stomach is about the size of a lime, so a spoonful of seeds occupies considerable space. Watch for repeated lip-licking, pacing, or a hunched posture — these subtle signs often precede vomiting in small dogs.
Where those rolling seeds end up
Whole coriander seeds behave like tiny ball bearings, scattering far from the original spill site. Check under appliances, behind trash cans, and along baseboards where your poodle may have pushed them. Dogs often carry food to softer surfaces like rugs or pet beds before eating, so inspect those areas for stray seeds that could cause a second round of ingestion.
The sound of seeds hitting hardwood or tile is distinct — listen for rolling noises if your dog revisits the area. Prevent access to the kitchen for the next few hours, as dogs sometimes return to ‘forage’ even after initial vomiting. A temporary baby gate works better than closing doors, since it allows you to monitor without confinement stress.
The first signs you’ll actually see
For seed ingestion, vomiting typically occurs within 2-4 hours if it’s going to happen at all. The seeds themselves may be visible in the vomitus — look for intact brown spheres about 3mm wide. More concerning would be vomiting that continues after all seeds are expelled, or contains yellow bile without food particles, as this suggests ongoing gastric irritation.
Diarrhea from seed ingestion usually appears later, often 12-24 hours post-consumption, as the seeds move through the intestines. You might notice whole seeds in the stool, or the feces may appear speckled with seed fragments. Temporary loose stools are common, but bloody diarrhea or straining warrants an immediate vet call.
When to switch from watching to acting
For a 5 kg dog, three specific changes mean you should call your vet: vomiting more than twice in an hour, inability to keep water down for over 4 hours, or sudden lethargy where your poodle stops responding to favorite toys. Small dogs dehydrate quickly, and their blood sugar can drop rapidly when they’re not eating.
If no symptoms appear within 6 hours, offer a bland meal of boiled chicken and rice to help coat any remaining seeds. Avoid dry kibble for 12 hours, as the sharp edges can further irritate a seed-scratched stomach lining. Most poodles bounce back within a day, but monitor stool quality for 48 hours as late-onset diarrhea sometimes occurs.
The full verdict, portion guidance and serving notes are collected on the Coriander food facts page.