Pet Health Library

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

All (1036)🐕 Dogs (228)🐈 Cats (231)🐰 Rabbits (146)🐹 Guinea Pigs (99)🐹 Hamsters (82)🦜 Birds (87)🦎 Reptiles (37)🐾 Ferrets (43)

All topics 🚨Emergency(21)🤮Digestive(59)💨Respiratory(43)🚽Urinary(9)🌿Skin & Coat(54)🦴Mobility(20)🍽️Eating & Drinking(46)👁️Eyes & Ears(50)🩺Chronic & Systemic(80)🐾Behavior(11)

Showing 457–480 of 1036 articles

🐹Guinea Pig HealthJun 6, 2026

Guinea Pig Lymphoma: Lumps, Weight Loss, and What to Do

Lymphoma in guinea pigs causes firm lymph node lumps, weight loss, and lethargy. Mediastinal forms cause breathing difficulty. Diagnosis needs a biopsy.

🦜Bird HealthJun 6, 2026

Budgie Air Sac Mites: Clicking, Wheezing, Treatment

Budgie air sac mites cause clicking or wheezing with every breath, tail bobbing, and voice loss. Highly treatable if caught before severe respiratory distr

🐰Rabbit HealthJun 6, 2026

Rabbit Walking Dandruff: Cheyletiella Mites Explained

Cheyletiella mites cause large mobile flakes across a rabbit's back and can temporarily infest humans. Diagnosis and antiparasitic treatment are straightfo

🐈Cat HealthJun 5, 2026

🩺Chronic & Systemic

Cat Hepatic Lipidosis: When Not Eating Damages the Liver

Hepatic lipidosis (fatty liver) can develop in days when a cat stops eating. Learn the warning signs, why it is an emergency, and how it is reversed.

🐈Cat HealthJun 5, 2026

🤮Digestive

Cat Megacolon: When Constipation Becomes Serious

Chronic constipation in cats can progress to megacolon, a stretched colon that cannot empty. Learn the warning signs, treatment, and how to prevent it.

🐈Cat HealthJun 5, 2026

Cat Tail Pull Injury: Nerve Damage and Recovery Signs

A tail-pull injury can damage the nerves controlling a cat's bladder and tail. Learn the warning signs, why bladder function matters most, and the outlook.

🐕Dog HealthJun 5, 2026

Old Dog Vestibular Disease: Sudden Head Tilt and Wobble

A senior dog with a sudden head tilt, wobbling, and darting eyes is scary but often vestibular disease, not a stroke. Learn the signs and what mimics it.

🐕Dog HealthJun 5, 2026

Dog Luxating Patella: Skipping Steps and Knee Slips

A skipping gait in small dogs often means a luxating patella, a kneecap that slips out of place. Learn the grades, treatment, and when surgery helps.

🐹Guinea Pig HealthJun 5, 2026

👁️Eyes & Ears

Guinea Pig Pea Eye: That Swelling Under the Eye

Pea eye is a usually harmless bulge under a guinea pig's lower eyelid. Learn how to tell it from a serious eye problem and when it actually needs a vet.

🐹Hamster HealthJun 5, 2026

Hamster Amyloidosis: The Silent Organ Disease of Old Age

Amyloidosis is a common cause of organ failure in older hamsters. Learn the subtle kidney and liver signs and how to keep your hamster comfortable.

🐾Pet HealthJun 5, 2026

Canary Going Light: Weight Loss and Megabacteria

A canary that keeps eating but wastes away may have 'going light,' often linked to megabacteria. Learn the signs and why a vet diagnosis matters.

🐾Pet HealthJun 5, 2026

🍽️Eating & Drinking

Corn Snake Not Eating: Normal Fasts vs Real Trouble

Corn snakes often refuse food for normal reasons like shedding or cool temps. Learn when a fast is harmless and when it signals a real problem.

🐾Ferret HealthJun 5, 2026

Ferret ECE: Green Slime Diarrhea and How to Respond

Bright green, mucousy diarrhea in ferrets often means ECE, a contagious viral gut disease. Learn the signs, why dehydration is the danger, and treatment.

🐰Rabbit HealthJun 5, 2026

🩺Chronic & Systemic

Rabbit Heart Disease: Quiet Signs of a Failing Heart

Heart disease in rabbits hides behind vague signs like tiring easily and fast breathing. Learn the warning signs, how it is diagnosed, and the outlook.

🐈Cat HealthJun 5, 2026

Cat Hypertrophic Cardiomyopathy: Signs, Tests, Outlook

HCM is the most common heart disease in cats and often hides until a crisis. Here are the early signs, how vets diagnose it, and treatment options.

🐕Dog HealthJun 5, 2026

🩺Chronic & Systemic

Dog Addison's Disease: The Great Pretender's Symptoms

Addison's disease in dogs mimics many illnesses with vague, shifting signs. Learn the warning signs, the crisis that lands dogs in the ER, and the outlook.

🐾Pet HealthJun 5, 2026

Finch Air Sac Mites: Clicking, Wheezing, and Open Beak

Clicking, wheezing, and open-beak breathing in finches often mean air sac mites. Learn the signs, why it spreads fast, and why a vet is essential.

🐾Pet HealthJun 5, 2026

Chameleon Egg Binding: A Hidden Emergency in Females

Female chameleons can lay eggs without a male and become egg-bound, a deadly emergency. Learn the signs, the role of a lay site, and when to rush in.

🐰Rabbit HealthJun 5, 2026

Rabbit Coccidiosis: Diarrhea in Young Rabbits Explained

Coccidiosis is a leading cause of diarrhea and sudden death in young rabbits. Learn the intestinal and liver forms, warning signs, and how to prevent it.

🐹Hamster HealthJun 5, 2026

Hamster Abscess: That Lump May Be a Pocket of Pus

A firm lump on your hamster could be an abscess, a walled-off pocket of infection. Learn how to tell it from a tumor and why it needs an exotic vet.

🐈Cat HealthJun 5, 2026

Cat Chin Acne: Black Spots on the Chin Explained

Those black specks on your cat's chin are usually feline acne. Learn what causes it, simple home care, and when blackheads turn into a painful infection.

🐹Guinea Pig HealthJun 5, 2026

Guinea Pig Satin Syndrome: Why Shiny Coats Carry Risk

Satin guinea pigs are prone to osteodystrophy, a painful bone disease. Learn the warning signs, the coat link, and how to keep them comfortable.

🐰Rabbit HealthJun 5, 2026

🚨Emergency

Rabbit Bloat (GI Tympany): A True Emergency Explained

Rabbit bloat is a life-threatening emergency where gas or a blockage distends the stomach. Learn the warning signs and why you cannot wait until morning.

🐕Dog HealthJun 4, 2026

Dog Megaesophagus Treatment Options: Bailey Chair to Sildenafil

Megaesophagus management uses vertical feeding, treatment of underlying causes, and sildenafil. Aspiration pneumonia is the leading killer.