Dog diarrhea is one of the most common reasons owners worry. Most mild cases come from a diet change or something your dog ate and settle within a day or two. But some signs mean you need a vet quickly. Here are the questions owners search most, with short answers.
What Causes Dog Diarrhea?
The most common causes are a sudden food change, eating garbage or table scraps, stress, parasites, infections, food intolerance and swallowing something they shouldn’t.
Can a food change cause diarrhea?
Yes. Switching food overnight often upsets the stomach. Mix the new food in gradually over about a week.
Can stress cause diarrhea in dogs?
Yes. Travel, boarding, moving house, fireworks or being left alone can trigger loose stools. Stress-sensitive dogs may also have problems settling, see our guide on how to help a dog settle at night.
My dog ate grass and now has diarrhea. Is it related?
It can be. Grass is hard to digest, and some dogs eat it when their stomach is already upset. Read more on why dogs eat grass.
Are some breeds more prone to sensitive stomachs?
Some breeds are often described as having sensitive digestion, including German Shepherds, Boxers, Yorkshire Terriers and French Bulldogs. Puppies of any breed are also more vulnerable.
When Is Dog Diarrhea an Emergency?
Call your vet right away if you see any of these:
- Blood in the stool or black, tarry stool
- Vomiting along with diarrhea
- Lethargy, weakness or collapse
- Not eating for more than 24 hours
- A swollen or painful belly
- Signs of dehydration: dry gums, sunken eyes
- Diarrhea in a young puppy, a senior dog or a dog with a health condition
- Suspected poisoning or a swallowed object
How long is too long for dog diarrhea?
If mild diarrhea lasts more than 24 to 48 hours, or keeps coming back, book a vet appointment even if your dog seems fine.
What Should I Feed a Dog With Diarrhea?
Should I stop feeding my dog?
Don’t withhold food without vet advice, especially for puppies and small breeds like Chihuahuas, which can drop their blood sugar quickly. Many vets suggest smaller, bland meals instead.
What is a bland diet for dogs?
A common bland diet is plain boiled chicken (no skin, no bones, no seasoning) with plain white rice, fed in small portions. Ask your vet for the right amount and duration.
Is pumpkin good for dog diarrhea?
Plain canned pumpkin (not pie filling) is a popular home option thanks to its fibre. Use a small amount and ask your vet if it suits your dog.
Can I give my dog human anti-diarrhea medicine?
No, not without your vet’s approval. Some human medicines can be dangerous for dogs.
How Can I Help at Home?
- Keep fresh water available at all times.
- Offer small, frequent bland meals as advised by your vet.
- Watch the stool: colour, frequency and any blood.
- Give extra potty breaks so your dog can go outside.
- Remove temptations like garbage, compost and toys that can be chewed apart.
Why is my house-trained dog pooping inside now?
Urgency from diarrhea can cause accidents in a perfectly trained dog. Don’t punish them. Our article on house-trained dogs having accidents explains other causes too.
How Can I Prevent Diarrhea?
- Change foods gradually.
- Avoid fatty table scraps and bones.
- Keep up with parasite prevention recommended by your vet.
- Supervise walks to stop scavenging.
- Keep a stable routine during stressful periods.
FAQ
Is diarrhea with no other symptoms serious?
Often it’s mild, but if it lasts more than a day or two, see your vet.
Why does my dog have diarrhea but act normal?
Mild dietary upset is common. Still watch closely and call a vet if it continues.
Should I worry if my dog has diarrhea and won’t eat?
Yes, if they refuse food for more than 24 hours. See also why your dog refuses to eat.
Can puppies get diarrhea from teething?
Teething alone isn’t a proven cause. Puppy diarrhea should be checked by a vet because puppies dehydrate quickly.
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