

Dogs are notorious for eating things they aren't supposed to — sometimes, this can lead to an upset stomach. If your dog is otherwise healthy, an occasional upset stomach shouldn't cause concern. But if your dog has serious or frequent gastrointestinal problems, then it's time to seek your veterinarian's help.
Signs That Your Dog Has an Upset Stomach
How do you know if your dog has an upset stomach? Many of the signs are similar to what you experience when your own tummy hurts. Signs include:
- Diarrhea and/or vomiting
- Lack of appetite
- Tiredness
- Grouchiness
- Farting or burping
- Fever
- Excessive stomach growling
- Having a rigid and hunched posture
- Having their front legs stretched out and tail in the air (prayer posture)
Causes of stomach issues can be internal (inside the stomach) or external (outside the stomach). Internal causes for an upset stomach include dietary indiscretion (a fancy way of saying your dog ate something they shouldn't), food allergies, overeating, ulcers, tumors, parasites and intestinal blockages. External causes include liver or kidney problems, pancreatitis, hormonal issues, brain problems, inner ear problems, cancer, pain, heatstroke and stress.
How to Tell If Your Dog Has a Sensitive Stomach
Some dogs have guts of steel — they can eat just about anything and not get sick. Other dogs will throw up if they nibble something even the least bit different from their regular food.
How do you tell if your dog has just an upset stomach or if they actually have a sensitive stomach? If your dog experiences any of the signs of an upset stomach on a frequent basis (once a month or more), then they may have a sensitive stomach. The causes of a sensitive stomach aren't always easy to figure out, but theories range from food sensitivities and food allergies to changes in bacterial populations in the digestive system, called the gut microbiome.
You can tell if your dog has a sensitive stomach because the signs will be frequent. Signs of a food sensitivity, in addition to those listed above, and may also include skin problems, such as itchy red skin or hair loss, and increased gut sounds.