Pet gut health,
in plain English.
Twenty-five plain-English guides compiled from veterinary literature — covering dogs and cats, from everyday digestion to emergencies. We don't write the science — we translate it into language you can actually use.
Vomiting in Dogs: When Is It an Emergency?
One episode vs. repeated retching with a hard abdomen — when to act immediately.
Bloody Stool in Dogs: Causes and When to See a Vet
Fresh red blood vs. dark tarry stool signal different problems.
Bloat (GDV) in Dogs: The Emergency Every Owner Should Know
GDV can kill within hours. Warning signs, highest-risk breeds, why it can't wait.
Signs of Dehydration in Dogs and Cats
How to check for dehydration at home and when IV fluids are needed.
Constipation in Cats: When It Becomes Serious
Can progress to megacolon — and straining may be a urinary blockage.
Why Won't My Cat Eat? Appetite Loss & Hepatic Lipidosis
A cat not eating for 2–3 days can develop fatal fatty liver disease.
Urinary vs. GI Symptoms in Cats: How to Tell the Difference
A male cat straining could be constipated — or have a blocked bladder.
Understanding the Gut Microbiome in Dogs and Cats
Trillions of microorganisms live in your pet's GI tract — what they do and what disrupts them.
Signs Your Pet May Have Gut Health Issues
Which signs are worth investigating and which may be passing?
Chronic Diarrhea in Dogs: Causes and Veterinary Considerations
Recurring diarrhea is a symptom, not a diagnosis — how it's properly investigated.
Food Sensitivities vs. Food Allergies in Pets
Why the dietary elimination trial is the only reliable diagnostic tool.
Fiber and Digestive Health in Companion Animals
Soluble, insoluble, fermentable — fiber isn't one thing, and more isn't always better.
Gut Health and Skin Problems in Dogs
Chronic itching and recurring ear infections may be connected to your dog's gut.
IBD in Dogs: What It Is and What to Expect
How it's confirmed and what long-term management looks like.
Pancreatitis in Dogs: Causes, Signs, and Management
It can come on fast — the causes, signs, and how it's managed.
EPI in Dogs: Exocrine Pancreatic Insufficiency Explained
Underdiagnosed and highly manageable once identified.
Chronic Vomiting in Cats: IBD, Hyperthyroidism & Other Causes
Weekly vomiting is not normal in cats — it's a clinical sign with treatable causes.
Feline Pancreatitis and Triaditis Explained
Simultaneous inflammation of the pancreas, liver, and intestines — what it means.
Probiotics for Dogs and Cats: What Research Actually Says
Strain and dose matter enormously — what the veterinary evidence supports.
Antibiotics and the Pet Gut Microbiome
What's happening when antibiotics upset your pet's stomach — and what may help.
Prebiotics vs. Probiotics vs. Postbiotics Explained Simply
Three terms, three different things — with the honest state of the evidence.
Prescription Diets for Dogs: What They Are and When They're Used
What makes prescription diets different from premium pet food.
Stress, Anxiety, and Gut Health in Dogs
The gut-brain axis is real — how stress triggers GI symptoms and how addressing anxiety helps.
How to Switch Dog Food Without Causing Diarrhea
Abrupt food changes are a common cause of GI upset — the right way to transition.
The 25 guides on this page are free to read. We're also putting together printable resources and curated products for the day-to-day of caring for a pet with digestive issues.
Community Gut Health Data Initiative
Share your everyday caregiver notes to help other pet owners feel more prepared. Voluntary, anonymized, and educational.
Content on PetGutHealth is for educational purposes only and is not veterinary medical advice. Always consult your veterinarian regarding your pet's health.