Dog Diarrhea — Causes, Home Care & When to Worry
Loose stools in dogs are extremely common — most dogs will experience diarrhea at some point in their lives. While it's often harmless and short-lived, knowing when it's serious can literally save your dog's life. Here's your complete guide.
medical_services Check Your Dog's Symptoms NowWhen Should You See a Vet?
Monitor at Home
- check_circleSoft stool once or twice, acting normal
- check_circleRecently changed dog food
- check_circleAte something unusual (grass, garbage)
- check_circlePuppy or adult is playful and energetic
- check_circleNo blood in stool
Call Your Vet Soon
- warningDiarrhea lasting more than 24 hours
- warningMild lethargy alongside loose stools
- warningFrequent trips outside (more than 5x a day)
- warningMild loss of appetite
- warningUnvaccinated puppy with diarrhea
Emergency — Go Now
- emergencyBlood or dark/black stool
- emergencySigns of dehydration (dry gums, skin doesn't snap back)
- emergencyVomiting and diarrhea together
- emergencyExtreme weakness or collapse
- emergencySuspected parvovirus (unvaccinated puppy)
Common Causes
- petsDietary change or eating something unusual
- petsFood intolerance or allergy
- petsIntestinal parasites (worms, giardia)
- petsBacterial infection (salmonella, campylobacter)
- petsViral infection (parvovirus, coronavirus)
- petsStress or anxiety
- petsMedications (especially antibiotics)
- petsInflammatory bowel disease
- petsPancreatitis
- petsKidney or liver disease
home What To Do at Home
For mild cases, withhold food for 12 hours (not water), then introduce a bland diet of boiled chicken and plain white rice for 2–3 days. Gradually transition back to regular food. Ensure constant access to fresh water to prevent dehydration. Probiotics made for dogs may help restore gut balance.
analytics Use Our Free Symptom CheckerFrequently Asked Questions
What does normal dog poop look like?
Healthy dog stool is firm, brown, and easy to pick up. Soft, watery, or discolored stool (especially yellow, green, or black) may indicate a problem.
Should I feed a dog with diarrhea?
Withhold food for 12 hours to let the gut rest, then offer small portions of bland food. Don't withhold water.
Can I give my dog Pepto-Bismol for diarrhea?
Never give human medications without consulting your vet. Some are toxic to dogs.
How do I know if my dog has parvo?
Parvo symptoms include severe bloody diarrhea, vomiting, lethargy, and rapid deterioration. It's fatal without immediate treatment. Go to an emergency vet.