Pet Health Library

Vet-reviewed guides to pet symptoms and conditions — what's normal, what's not, and when to see a vet.

All (1031)🐕 Dogs (223)🐈 Cats (231)🐰 Rabbits (146)🐹 Guinea Pigs (99)🐹 Hamsters (82)🦜 Birds (87)🦎 Reptiles (37)🐾 Ferrets (43)

All topics 🚨Emergency(10)🤮Digestive(25)💨Respiratory(7)🚽Urinary(2)🌿Skin & Coat(11)🦴Mobility(8)🍽️Eating & Drinking(13)👁️Eyes & Ears(13)🩺Chronic & Systemic(17)🐾Behavior(5)

Showing 121–144 of 223 articles found

🐕Dog HealthMay 20, 2026

Foxtail in Dogs: Warning Signs, Dangers, and When to See a Vet

Foxtails are barbed grass seeds that burrow into dog skin and can migrate to internal organs. Learn the warning signs and when to act.

🐕Dog HealthMay 20, 2026

Dog Wheezing: Causes, Warning Signs, and When to See a Vet

Dog wheezing is a high-pitched whistling sound that signals airway trouble. Learn the causes, warning signs, and when it's an emergency.

🐕Dog HealthMay 19, 2026

Dog Flu Symptoms: Signs of Canine Influenza and What to Do

Dog flu (canine influenza) is spreading across the US. Learn the symptoms, how it spreads, and when your dog needs veterinary care.

🐕Dog HealthMay 19, 2026

Dog Swollen Paw: Causes, What to Check, and When to See the Vet

Is your dog's paw swollen? Learn the most common causes — from insect stings to infections — and when it's a veterinary emergency.

🐕Dog HealthMay 19, 2026

🚨Emergency

My Dog Ate Grapes: What to Do Right Now (Grape and Raisin Toxicity Guide)

Grapes and raisins are toxic to dogs and can cause acute kidney failure. Learn what to do immediately if your dog ate grapes.

🐕Dog HealthMay 19, 2026

Signs Your Dog Is Getting Old: What's Normal Aging vs. What Needs a Vet

Dogs show clear signs of aging — but not all of them are normal. Learn what's expected as dogs get older and which changes need veterinary attention.

🐕Dog HealthMay 19, 2026

Dog Pyoderma: Signs of Bacterial Skin Infection and When to See a Vet

Pyoderma is a bacterial skin infection in dogs causing pustules, redness, and hair loss. Learn the signs, causes, and how it's treated.

🐕Dog HealthMay 19, 2026

👁️Eyes & Ears

Dog Thunder Anxiety: Why Your Dog Fears Storms and How to Help

Learn why dogs fear thunderstorms, what signs to watch for, and proven ways to help your anxious dog stay calm during storms.

🐕Dog HealthMay 18, 2026

🩺Chronic & Systemic

Dog Cushing's Disease: Symptoms, Early Signs, and When to See a Vet

Cushing's disease in dogs causes increased thirst, pot belly, and hair loss. Learn the early warning signs and when to see your vet.

🐕Dog HealthMay 18, 2026

🍽️Eating & Drinking

Is My Dog Overweight? Signs of Canine Obesity and What to Do

Canine obesity shortens lifespans and causes joint disease and diabetes. Learn how to tell if your dog is overweight and what to do about it.

🐕Dog HealthMay 18, 2026

Dog Mange: Types, Symptoms, and When It's Contagious

Dog mange causes intense itching, hair loss, and skin irritation. Learn the difference between sarcoptic and demodectic mange and when to act.

🐕Dog HealthMay 18, 2026

👁️Eyes & Ears

Dog CCL Tear (ACL Injury): Symptoms, Treatment, and Recovery

A torn CCL causes sudden limping in dogs. Learn the signs of a cruciate ligament injury, treatment options, and what recovery looks like.

🐕Dog HealthMay 18, 2026

Lyme Disease in Dogs: Symptoms, Treatment, and Prevention

Lyme disease causes joint pain, fever, and lethargy in dogs. Learn the symptoms, when it's serious, and how to protect your dog from ticks.

🐕Dog HealthMay 18, 2026

🩺Chronic & Systemic

Hypothyroidism in Dogs: Symptoms, Signs, and How It's Treated

Hypothyroidism in dogs causes weight gain, lethargy, and coat changes. Learn the signs, which breeds are prone, and how it's treated.

🐕Dog HealthMay 18, 2026

Dog Runny Nose: Causes, Colors, and When to See a Vet

A dog's runny nose can be normal or a sign of infection, allergies, or something more serious. Learn what discharge colors mean and when to act.

🐕Dog HealthMay 17, 2026

Dog Yellow Poop: Causes, What It Means, and When to Worry

Yellow dog poop can signal diet changes, digestive upset, or liver and pancreas problems. Here's how to tell what's behind the color change.

🐕Dog HealthMay 17, 2026

🤮Digestive

Dog Throwing Up White Foam: Causes and When to See a Vet

Dog throwing up white foam? It could be an empty stomach, kennel cough, or something serious like bloat. Learn which causes are urgent and which aren't.

🐕Dog HealthMay 17, 2026

Dog Dehydration Signs: Symptoms, What to Check, and When to Act

Learn to spot dog dehydration signs early — skin elasticity test, dry gums, sunken eyes — and know when it's a vet emergency vs. home care.

🐕Dog HealthMay 17, 2026

Lethargic Dog: Causes, Warning Signs, and When to Call the Vet

A lethargic dog that's not playful or engaged could have anything from a minor illness to a serious emergency. Here's how to assess the situation.

🐕Dog HealthMay 17, 2026

🐾Behavior

Why Does My Dog Keep Licking Their Lips? Causes and What to Do

A dog licking lips repeatedly can signal nausea, dental pain, anxiety, or something serious. Here's how to decode this common but overlooked behavior.

🐕Dog HealthMay 17, 2026

👁️Eyes & Ears

Dog Cloudy Eyes: Cataracts, Nuclear Sclerosis, and When It's Serious

Cloudy eyes in dogs are often harmless nuclear sclerosis — but cataracts, glaucoma, and corneal disease also cause cloudiness. Learn the difference.

🐕Dog HealthMay 16, 2026

Heart Murmur in Dogs: What It Means, Signs to Watch For, and When to Act

A heart murmur in dogs is an abnormal heart sound that may or may not need treatment. Learn the signs, grades, and when to worry about heart disease.

🐕Dog HealthMay 16, 2026

🚨Emergency

Collapsed Trachea in Dogs: The Honking Cough That Owners Keep Ignoring

Collapsed trachea causes a honking goose-like cough in small dogs. Learn which breeds are at risk, warning signs, and when it becomes an emergency.

🐕Dog HealthMay 16, 2026

Why Does My Puppy Have Hiccups? Causes, Concerns, and When to Call the Vet

Puppy hiccups are usually harmless and caused by eating too fast. Learn when hiccups are normal, what triggers them, and rare red flags to watch for.