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(20)🤮Digestive(59)💨Respiratory(43)🚽Urinary(9)🌿Skin & Coat(53)🦴Mobility(20)🍽️Eating & Drinking(46)👁️Eyes & Ears(50)🩺Chronic & Systemic(80)🐾Behavior(11)

Showing 745–768 of 1031 articles

🦜Bird HealthMay 19, 2026

Psittacosis in Parrots: Symptoms, Treatment, and the Human Health Risk

Psittacosis (parrot fever) is a bacterial infection affecting parrots and other birds — and it can spread to humans. Learn the signs and treatment.

🐕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.

🐈Cat HealthMay 18, 2026

🤮Digestive

Cat Vomiting Undigested Food: Causes and When to Worry

Cats vomiting undigested food often eat too fast, but it can also signal esophageal problems or food allergies. Learn when it's a vet visit.

🐹Guinea Pig HealthMay 18, 2026

Guinea Pig Abscess: Signs, Causes, and Why Exotic Vet Care Matters

Abscesses in guinea pigs appear as firm lumps under the skin and require exotic vet care. Learn the signs, typical locations, and why they're treated differently than in dogs or cats.

🦜Bird HealthMay 18, 2026

Cockatiel Calcium Deficiency: Signs, Egg-Laying Risks, and Treatment

Calcium deficiency in cockatiels causes seizures, egg binding, and soft bones. Learn the warning signs and how to protect your bird, especially egg-laying hens.

🐕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.

🐰Rabbit HealthMay 18, 2026

Rabbit Bladder Sludge: Signs, Causes, and How to Treat It

Rabbit bladder sludge causes thick chalky urine, straining, and discomfort. Learn the signs, causes, and what your exotic vet will 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.

🐈Cat HealthMay 18, 2026

🍽️Eating & Drinking

Cat Food Allergies: Signs, Symptoms, and How to Help

Cat food allergies cause itching, skin problems, and digestive upset. Learn the signs, how they're diagnosed, and what actually helps.

🐰Rabbit HealthMay 18, 2026

Rabbit Hind Leg Weakness: Causes, E. Cuniculi, and What to Do

Hind leg weakness or paralysis in rabbits is often caused by E. cuniculi or back injury. Learn the signs, causes, and what treatment looks like.

🐹Hamster HealthMay 18, 2026

🩺Chronic & Systemic

Hamster Heart Disease: Signs, Symptoms, and What to Do

Heart disease in hamsters causes breathing difficulty, lethargy, and swollen belly. Learn to recognize congestive heart failure in hamsters and what care looks like.

🦎Reptile HealthMay 18, 2026

Bearded Dragon Brumation: Signs, How Long It Lasts, and What to Do

Bearded dragon brumation is a hibernation-like state that can alarm new owners. Learn the signs, how long it lasts, and how to tell it apart from illness.

🐕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.

🦜Bird HealthMay 18, 2026

Budgie Molting Problems: Normal Feather Loss vs. When to See an Avian Vet

Budgie molting is normal, but abnormal feather loss during molt can signal French molt, infection, or nutritional deficiency. Learn the warning signs.

🐕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.

🐰Rabbit HealthMay 18, 2026

Senior Rabbit Health: What Changes to Watch After Age 5

Rabbits over age 5 are at higher risk for dental disease, uterine cancer, arthritis, and GI issues. Learn the signs every senior rabbit owner should know.

🐹Guinea Pig HealthMay 18, 2026

💨Respiratory

Guinea Pig Sneezing: Causes, Upper Respiratory Infection, and When to Worry

Guinea pig sneezing can be normal or the start of a dangerous respiratory infection. Learn to tell the difference and when to act fast.

🐕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.

🐈Cat HealthMay 18, 2026

Inflammatory Bowel Disease in Cats: Symptoms and What to Do

IBD in cats causes chronic vomiting, weight loss, and diarrhea. Learn the signs of feline inflammatory bowel disease and how it's managed.

🐈Cat HealthMay 17, 2026

Cat Dental Disease: Signs, Bad Breath, and When to Act

Over 70% of cats have dental disease by age 3. Learn the signs — bad breath, drooling, pawing at mouth — and when it becomes a serious health risk.

🐕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.