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(2)🤮Digestive(15)💨Respiratory(10)🚽Urinary(4)🌿Skin & Coat(14)🦴Mobility(4)🍽️Eating & Drinking(9)👁️Eyes & Ears(12)🩺Chronic & Systemic(18)🐾Behavior(3)

Showing 169–192 of 231 articles found

🐈Cat HealthMay 25, 2026

Cat Eosinophilic Granuloma Complex: Lip Ulcers and Plaques

Cat eosinophilic granuloma complex causes indolent lip ulcers, plaques, and linear granulomas, usually from allergy. Here is what each looks like and treat

🐈Cat HealthMay 24, 2026

🤮Digestive

Cat Bloated Belly: Causes, Warning Signs, and When to Worry

A sudden cat bloated belly can mean fluid, organ enlargement, FIP, or constipation. Here is how to tell the difference.

🐈Cat HealthMay 24, 2026

Cat Paw Pad Injury: Cuts, Burns, and Home First Aid

A cat paw pad injury can be a small cut or a deep gash that needs sutures. Here is how to assess, clean, and decide if a vet visit is needed.

🐈Cat HealthMay 24, 2026

👁️Eyes & Ears

Cat Third Eyelid Showing: Causes and When to Worry

A visible third eyelid in a cat can mean illness, eye pain, or dehydration. Here is what it signals and when to call a vet.

🐈Cat HealthMay 24, 2026

🩺Chronic & Systemic

Cat Chronic Kidney Disease Stages: IRIS Staging Explained

IRIS stages 1 to 4 chronic kidney disease in cats by creatinine, SDMA, and protein loss. Here is what each stage means for prognosis and care.

🐈Cat HealthMay 24, 2026

Cat Yowling at Night: Causes and How to Stop It

Cat yowling at night can mean cognitive decline, hyperthyroidism, hypertension, or pain. Here is how to find the cause and quiet the nights.

🐈Cat HealthMay 22, 2026

Cat Purring When Sick: Is It Comfort or Self-Soothing?

Cats often purr when they're sick or hurting. Here's what science says about why — and the warning signs not to miss.

🐈Cat HealthMay 22, 2026

Cat in Heat: Behavior Signs, How Long It Lasts, and What to Do

A cat in heat shows dramatic behavior changes — yowling, rolling, and spraying. Here's how to recognize each sign and what to do.

🐈Cat HealthMay 22, 2026

Cat Foaming at the Mouth: Causes, Emergency Signs, and What to Do

A cat foaming at the mouth can mean nausea, dental pain, poisoning, or a seizure. Here's how to tell what's happening.

🐈Cat HealthMay 22, 2026

🌿Skin & Coat

Cat Tail Twitching: What Different Tail Movements Really Mean

A cat's tail is one of her most expressive body parts. Learn what twitching, thrashing, and flicking really mean.

🐈Cat HealthMay 20, 2026

🍽️Eating & Drinking

Why Is My Cat Gaining Weight? Causes, Risks, and What to Do

Unexplained weight gain in cats can signal medical issues beyond diet. Learn the causes, health risks of feline obesity, and how to help.

🐈Cat HealthMay 20, 2026

Cat Pyometra: Symptoms, Emergency Signs, and Why Spaying Matters

Cat pyometra is a life-threatening uterine infection that strikes unspayed females. Learn the signs, why it's always an emergency, and how to prevent it.

🐈Cat HealthMay 20, 2026

Cat Stomatitis: Signs of Painful Mouth Disease and What to Do

Feline stomatitis causes severe oral pain and often goes unnoticed until cats stop eating. Learn the signs and why early care matters.

🐈Cat HealthMay 19, 2026

Cat UTI Symptoms: Signs of Feline Lower Urinary Tract Disease and What to Do

Cat showing signs of UTI? Learn what feline lower urinary tract disease looks like, why true UTIs are less common than you think, and when it's urgent.

🐈Cat HealthMay 19, 2026

🤮Digestive

Cat Vomiting Right After Eating: Causes, What's Normal, and When to Worry

Cat vomiting right after eating? Learn the difference between regurgitation and vomiting, common causes, and when to see your vet.

🐈Cat HealthMay 19, 2026

Feline Leukemia Virus (FeLV): Symptoms, Transmission, and What Cat Owners Need to Know

FeLV is one of the most serious viral diseases in cats. Learn the symptoms, how it spreads, and how to protect your cat.

🐈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.

🐈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.

🐈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.

🐈Cat HealthMay 17, 2026

Why Is My Cat Always Hungry? Causes and When to Worry

A cat always hungry could have hyperthyroidism, diabetes, or parasites. Learn what drives the insatiable appetite and when to see a vet.

🐈Cat HealthMay 17, 2026

💨Respiratory

Cat Breathing Fast: When It's Normal and When It's an Emergency

Cat breathing fast can be normal after play — or a sign of heart disease, asthma, or fluid in the lungs. Learn when to act immediately.

🐈Cat HealthMay 16, 2026

FIP in Cats: Understanding Feline Infectious Peritonitis Symptoms and New Treatments

FIP in cats causes fever, weight loss, and fluid accumulation. Learn the wet vs dry forms, early signs, and what new antiviral treatments mean for cats today.

🐈Cat HealthMay 16, 2026

Does My Cat Have a Fever? Signs, Causes, and When to Go to the Vet

Cat fever symptoms include lethargy, warm ears, shivering, and hiding. Learn how to tell if your cat has a fever and when it's an emergency.