Pet Health Library

Guides to pet symptoms and conditions, cited to the veterinary literature — what's normal, what's not, and when to see a vet.

Browse by pet

🐕Dogs(235)🐈Cats(203)🐰Rabbits(111)🐹Guinea Pigs(70)🐹Hamsters(58)🐀Rats(11)🐭Gerbils(9)🐁Mice(9)🐭Degus(8)🦜Birds(93)🦎Reptiles(78)🐾Ferrets(36)🐭Chinchillas(16)🦔Hedgehogs(11)🐿️Sugar Gliders(12)🐟Fish(23)🐸Amphibians(11)

All topics 🚨Emergency(89)🤮Digestive(109)💨Respiratory(75)🚽Urinary(27)🐛Parasites(64)🌿Skin & Coat(117)🦴Mobility(58)🍽️Eating & Drinking(49)👁️Eyes & Ears(76)🦷Dental(36)🩺Chronic & Systemic(156)🐾Behavior & Training(57)🛡️Wellness & Prevention(35)🐣New Pet & Care(12)

Showing 193–216 of 996 articles

🐰Rabbit HealthJul 5, 2026

🐛Parasites

Rabbit Ear Mites (Psoroptes cuniculi): Crusty Ears, Head Shaking, and Scratching Signs

Thick brown crusts, head shaking, and ear scratching in rabbits point to ear mites (ear canker). Learn the signs, treatment, and when it's urgent.

🐈Cat HealthJul 5, 2026

🦷Dental

Cat Drooling: Causes, Warning Signs, and When to Worry

New or one-sided drooling in a cat usually means mouth pain, nausea, or a toxin. Learn the common causes and the red flags that mean see a vet now.

🦜Bird HealthJul 5, 2026

🤮Digestive

Sour Crop and Crop Stasis in Birds: Signs, Causes, and When It's an Emergency

Is your bird's crop staying full and not emptying? Learn the signs of sour crop and crop stasis in budgies, cockatiels, and parrots, and when it's urgent.

🐈Cat HealthJul 3, 2026

🦴Mobility

Why Is My Cat Limping? Causes, Signs, and When to See a Vet

A limping cat is almost always in pain even if still eating. Learn the most common causes — injury, abscess, arthritis — and signs that need emergency vet care tonight.

🐕Dog HealthJul 3, 2026

🐣New Pet & Care

What to Buy for a New Puppy: Essential Supplies Checklist (Breed-Sized)

What your puppy actually needs before they arrive home — sized by breed and adult weight, not one-size-fits-all. Separate the essentials from the optional extras.

🐕Dog HealthJul 3, 2026

🌿Skin & Coat

Dog Hot Spots: Signs, Causes, and When to See a Vet

Dog hot spots (acute moist dermatitis) appear suddenly as red, wet, oozing skin patches that worsen within hours. Learn the signs, triggers, treatment, and when your dog needs a vet.

🐰Rabbit HealthJul 3, 2026

🤮Digestive

Rabbit GI Stasis: Signs, Causes, and When to See an Exotic Vet

A rabbit not eating, producing no droppings, or sitting hunched may have GI stasis — a life-threatening digestive emergency that needs same-day exotic vet care.

🐹Guinea Pig HealthJul 2, 2026

💨Respiratory

Nasal Discharge in Guinea Pigs: Signs, Causes, and When to See a Vet

Nasal discharge in guinea pigs — especially combined with sneezing, labored breathing, or reduced appetite — is almost always a sign of bacterial respirato

🐕Dog HealthJul 2, 2026

🛡️Wellness & Prevention

Puppy Vaccination Schedule by Age: A Vet-Backed Timeline for New Dog Owners

A complete puppy vaccination timeline from 6 weeks through the first adult booster, based on AAHA 2022 guidelines — including core vs non-core vaccines and

🐕Dog HealthJul 2, 2026

💨Respiratory

Dog Nosebleed (Epistaxis): Causes, Signs, and When It's an Emergency

A dog nosebleed that stops quickly and doesn't recur is often minor — but epistaxis that is heavy, recurrent, or paired with lethargy, pale gums, or bruisi

🐈Cat HealthJul 2, 2026

💨Respiratory

Nasal Discharge in Cats: Causes, Colors, and When to See a Vet

Nasal discharge in cats is most often from an upper respiratory infection, but the color, duration, and whether one or both nostrils are affected help sepa

🐈Cat HealthJul 2, 2026

🩺Chronic & Systemic

Aortic Thromboembolism in Cats (Saddle Thrombus): Signs and Emergency Care

Aortic thromboembolism is one of the most dramatic and devastating emergencies in feline medicine. A blood clot — called a thrombus — forms inside the hear

🐹Hamster HealthJul 2, 2026

🌿Skin & Coat

Hamster Hair Loss: Causes, Signs, and When to See a Vet

Hair loss in hamsters has multiple causes ranging from normal seasonal thinning to mange mites, ringworm, hormonal disease (adrenal tumors, Cushing's), or

🐕Dog HealthJun 30, 2026

👁️Eyes & Ears

Aural Hematoma in Dogs: Signs, Causes, and When to See a Vet

A blood-filled swelling on a dog's ear flap, usually from head-shaking due to an ear infection or allergy.

🐈Cat HealthJun 30, 2026

🦷Dental

Tooth Resorption in Cats: Signs, Diagnosis, and Treatment

Tooth resorption affects up to 72% of cats. Learn the signs, why extraction is the only treatment, and when to call your vet.

🦜Bird HealthJun 30, 2026

🐾Behavior & Training

Cockatoo Feather Plucking: Signs, Causes, and When to Worry

Cockatoos are unusually prone to feather plucking. Learn the medical and behavioral causes, key signs, and when to see an avian vet.

🐕Dog HealthJun 30, 2026

🐣New Pet & Care

New Puppy First Week Checklist: A Day-by-Day Guide for New Owners

A day-by-day checklist for a new puppy's first week: what's normal adjustment, the vaccine/deworming timeline, and when to call the vet.

🐰Rabbit HealthJun 30, 2026

👁️Eyes & Ears

Corneal Ulcers in Rabbits: Signs, Causes, and When to See a Vet

Why rabbits get corneal ulcers, the signs to watch for (squinting, cloudy eye), and when it's urgent enough for an ER visit.

🐈Cat HealthJun 29, 2026

👁️Eyes & Ears

Cat Nasopharyngeal Polyp: Snoring and Breathing Signs Explained

A cat nasopharyngeal polyp causes stertor, nasal discharge, and head tilt. Learn the signs, how CT guides treatment, and why prednisolone after traction pr

🐾Ferret HealthJun 29, 2026

🩺Chronic & Systemic

Ferret Hyperestrogenism: Aplastic Anemia and Estrogen Toxicity Signs

Ferret hyperestrogenism from prolonged heat causes aplastic anemia, pale gums, hair loss, and petechiae in intact jills. Learn the signs, treatment, and wh

🐕Dog HealthJun 29, 2026

🦴Mobility

Dog Myasthenia Gravis: Regurgitation and Weakness Signs to Know

Dog myasthenia gravis causes exercise-triggered weakness and megaesophagus regurgitation. Learn the focal vs generalized signs and why aspiration pneumonia

🐰Rabbit HealthJun 29, 2026

🐛Parasites

Rabbit Fly Strike: Maggot Signs and Emergency Treatment

Rabbit fly strike is a life-threatening emergency: blowfly larvae burrow into skin within hours. Know the signs — fly eggs, maggots, lethargy, perineal wou

🦜Bird HealthJun 29, 2026

🤮Digestive

Budgie Megabacteria (Avian Gastric Yeast): Signs and Treatment

Avian gastric yeast (Macrorhabdus ornithogaster) causes chronic weight loss and regurgitation in budgies. Learn the signs, why fecal PCR beats cytology, an

🐕Dog HealthJun 28, 2026

🤮Digestive

Dog Pancreatitis: Vomiting Signs, Causes & Treatment

Dog pancreatitis causes repeated vomiting, a hunched posture, and belly pain — often after a fatty meal. Learn the signs, treatment, and prevention.