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 25–48 of 80 articles found

🐹Hamster HealthJun 12, 2026

🩺Chronic & Systemic

Hamster Heart Failure: Signs, Treatment & What to Expect

Syrian hamsters are predisposed to dilated cardiomyopathy and heart failure. Learn the early signs, treatment options, and realistic prognosis.

🦜Bird HealthJun 12, 2026

🩺Chronic & Systemic

Cockatiel Liver Disease: Yellow Droppings, Signs & Treatment

Yellow-green urates in cockatiel droppings are the key early warning of liver disease. Learn signs, causes, treatment, and the seed-diet connection.

🐈Cat HealthJun 11, 2026

🩺Chronic & Systemic

Cat Hyperthyroidism: Signs, Causes & Treatment Options

Cat hyperthyroidism causes weight loss despite a big appetite. Learn the signs, causes, diagnosis, treatment, and costs.

🐈Cat HealthJun 11, 2026

🩺Chronic & Systemic

Cat Fatty Liver Disease (Hepatic Lipidosis): Signs

Cat fatty liver disease follows a cat refusing food. Learn the signs of hepatic lipidosis, treatment, prognosis, and costs.

🐾Ferret HealthJun 11, 2026

🩺Chronic & Systemic

Ferret Adrenal Gland Disease: Signs & Treatment

Ferret adrenal gland disease causes symmetrical hair loss and itching. Learn the signs, treatment options, and costs.

🐕Dog HealthJun 9, 2026

🩺Chronic & Systemic

Dog Hypothyroidism Signs: Weight Gain, Coat & Energy

Hypothyroidism is the most common hormonal disorder in dogs. Learn the signs — weight gain, coat loss, lethargy — diagnosis, and affordable treatment.

🐹Hamster HealthJun 8, 2026

🩺Chronic & Systemic

Hamster Kidney Disease: Signs, Care & When to See a Vet

Kidney disease is common in hamsters over 18 months and causes increased drinking, urination, and weight loss. Supportive care can extend quality of life s

🐈Cat HealthJun 7, 2026

🩺Chronic & Systemic

Cat Polycystic Kidney Disease: Inherited CKD Signs

Cat PKD is an inherited disease in Persians that causes slow cyst growth in the kidneys. Learn signs, ultrasound screening, and how to manage CKD from PKD.

🐰Rabbit HealthJun 6, 2026

🩺Chronic & Systemic

Rabbit Liver Lobe Torsion: A Sudden Abdominal Emergency

Rabbit hepatic lobe torsion causes sudden collapse, pallor, and severe abdominal pain. Emergency surgery is the only treatment and must happen within hours

🐹Hamster HealthJun 6, 2026

🩺Chronic & Systemic

Hamster Liver Tumors: Signs, Types, and When to Act

Hamster liver tumors cause progressive abdominal swelling, weight loss, and jaundice. Most are diagnosed late — early detection from daily handling makes a

🐈Cat HealthJun 6, 2026

🩺Chronic & Systemic

Cat Cancer Warning Signs: 8 Symptoms to Never Ignore

Cancer kills more cats over 10 than any other disease. Learn the 8 early warning signs — weight loss, lumps, wounds that won't heal — and what to do.

🐹Hamster HealthJun 6, 2026

🩺Chronic & Systemic

Hamster Uterine Cancer: Signs of Endometrial Disease

Uterine cancer in female hamsters causes vaginal discharge, abdominal swelling, and weight loss. Spaying before disease onset is curative — or wait and see

🐈Cat HealthJun 6, 2026

🩺Chronic & Systemic

Cat Mammary Tumor Signs: Lumps, Staging, and Treatment

Over 85% of feline mammary tumors are malignant. Learn the signs, who's at risk, and why early surgery dramatically improves survival.

🐈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.

🐰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.

🐕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.

🐹Guinea Pig HealthJun 3, 2026

🩺Chronic & Systemic

Guinea Pig Mammary Tumors: Signs, Surgery, and What to Expect

Mammary tumors affect male and female guinea pigs. Here's how to spot them early and why surgery while the lump is small matters so much.

🐈Cat HealthJun 3, 2026

🩺Chronic & Systemic

Cat Cognitive Dysfunction: Signs of Dementia in Senior Cats

Night yowling, litter-box accidents, and staring at walls in a senior cat can be feline dementia — and most of it is treatable.

🐾Ferret HealthJun 3, 2026

🩺Chronic & Systemic

Ferret Mast Cell Tumor Signs: Benign Lumps That Look Worse Than They Are

Ferret mast cell tumors are common but almost always benign. Here's how to spot them, why surgery is curative, and what to expect at biopsy.

🐈Cat HealthJun 3, 2026

🩺Chronic & Systemic

Cat Renal Secondary Hyperparathyroidism: The Silent CKD Driver

Renal secondary hyperparathyroidism drives muscle loss and progression in CKD cats. Here's how IRIS phosphorus targets and binders change the trajectory.

🐕Dog HealthJun 1, 2026

🩺Chronic & Systemic

Dog Addison's Disease: Symptoms, Diagnosis, and Treatment

Vague waxing-waning illness, collapse, or a high potassium reading should trigger an ACTH stim. Addison's in dogs is fully treatable when caught.

🐹Guinea Pig HealthJun 1, 2026

🩺Chronic & Systemic

Guinea Pig Uterine Cancer: Signs in Older Sows

Bloody vaginal discharge or a distended belly in an older intact sow often means uterine adenocarcinoma. Surgery is curative if caught before spread.

🐹Hamster HealthJun 1, 2026

🩺Chronic & Systemic

Hamster Cushing's Disease: Signs of Hyperadrenocorticism

Older hamsters with symmetric fur loss, thin skin, and a pot belly often have hyperadrenocorticism. Recognizing it guides supportive care.

🦜Bird HealthMay 31, 2026

🩺Chronic & Systemic

Cockatiel Chronic Egg Laying: Signs, Risks, and Stopping It

A female cockatiel laying clutch after clutch can develop life-threatening calcium depletion or egg binding — environmental changes can break the cycle.