Late-stage blockage risks in a 20 kg dog
Even after initial vet clearance, pits can cause partial obstructions that worsen over days as they move through narrower intestinal sections. Your dog's size means the pit might initially pass the stomach but get stuck farther down, where the gut is only about the width of your thumb.
Measure abdominal girth daily—a increase of more than an inch suggests fluid or gas buildup behind a blockage. Pain may manifest as reluctance to lie on one side or sudden yelping when turning.
Persin's delayed effects on digestion
The toxin can disrupt gut motility for up to 72 hours, causing alternating diarrhea and constipation. Track stool consistency and frequency—formed stools followed by liquid may indicate intestinal irritation rather than normal recovery.
If vomiting recurs after 24 hours of stability, this isn't just 'clearing the system.' Fresh blood or coffee-ground material in vomit requires immediate re-evaluation, as persin can sometimes cause gastric ulcers in sensitive dogs.
Hydration tracking during recovery
Skin tent tests can be unreliable in dogs with thick coats. Instead, check gum moisture every few hours—they should feel slick, not tacky. Offer ice cubes if she refuses water, as these are easier on a nauseated stomach while preventing dehydration.
Weigh dry food before serving to accurately measure reduced intake. A 20 kg dog eating less than half her normal amount for over 48 hours needs vet reassessment, even without other symptoms.
Activity restrictions post-ingestion
Limit exercise to leash walks for at least five days—running or jumping could shift a partially lodged pit dangerously. Watch for 'play bow' positions that end abruptly, as this may signal abdominal discomfort during movement.
Prevent access to rawhides or tough chews during recovery, as these could combine with pit fragments to form a complete blockage. Use soft food puzzles instead to provide mental stimulation without physical risk.
The step-by-step response, from the first minute to the vet visit, is in our Avocado Poisoning in Dogs and Cats emergency guide.