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(1)🤮Digestive(3)💨Respiratory(3)🌿Skin & Coat(9)🍽️Eating & Drinking(1)👁️Eyes & Ears(4)🩺Chronic & Systemic(14)

Showing 49–72 of 82 articles found

🐹Hamster HealthJun 3, 2026

🌿Skin & Coat

Hamster Skin Mite Symptoms: Demodex and Hair Loss Explained

Patchy hair loss and flaky skin on a hamster often means Demodex mites — a sign that prompts both treatment and a deeper workup.

🐹Hamster HealthJun 2, 2026

🌿Skin & Coat

Hamster Skin Tumors: 5 Common Types and What They Mean

Hamster skin tumors range from harmless lipomas to aggressive carcinomas. Here are the 5 main types and how to tell which one you're looking at.

🐹Hamster HealthJun 2, 2026

💨Respiratory

Hamster Mycoplasma: Chronic Respiratory Infection Guide

Hamster respiratory infections that won't clear with standard antibiotics are often Mycoplasma pulmonis. Here is what to recognize and how it's treated.

🐹Hamster HealthJun 1, 2026

Hamster Wet Tail Treatment: Signs and What to Do

Wet tail is severe diarrhea in young hamsters from stress and bacterial overgrowth. Without rapid antibiotics and fluids it can kill in 24 to 48 hours.

🐹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.

🐹Hamster HealthMay 31, 2026

Hamster Atrial Thrombosis: Heart Failure Signs in Older Hamsters

Atrial thrombosis is a common cause of sudden weakness in hamsters over a year old — labored breathing and blue paws need same-day exotic-vet care.

🐹Hamster HealthMay 30, 2026

Hamster Stroke Signs: Head Tilt, Circling, and Care

Sudden head tilt and circling in an older hamster looks like a stroke — and it often is. Here's what care actually helps.

🐹Hamster HealthMay 30, 2026

Hamster Cheek Pouch Prolapse: Causes and Emergency Care

A pink mass sticking out of your hamster's mouth is almost always a cheek pouch prolapse — and it needs an exotic vet today, not tomorrow.

🐹Hamster HealthMay 29, 2026

Hamster Cheek Pouch Impaction: Bulging Cheeks That Don't Empty

Cheek pouches that stay full for more than a day usually mean impaction or infection. Untreated, the pouch can necrose and rupture.

🐹Hamster HealthMay 28, 2026

🩺Chronic & Systemic

Hamster Fatty Liver: Signs, Causes, and Diet Fix

Hepatic lipidosis hits hamsters that get too many treats, especially nuts and seeds. Yellow skin, lethargy, and a swollen belly are warning signs.

🐹Hamster HealthMay 28, 2026

Hamster Pyometra: Uterine Infection Signs and Emergency Care

Pyometra is a uterine infection that can kill an intact female hamster within days. Vaginal discharge and lethargy in a senior female are red flags.

🐹Hamster HealthMay 27, 2026

🩺Chronic & Systemic

Hamster Diabetes Signs: What to Watch for in Dwarf Hamsters

Dwarf hamsters (especially Campbell's) get diabetes often. Watch for excessive drinking, urination, weight loss, and sticky cage. Diet changes help.

🐹Hamster HealthMay 27, 2026

🌿Skin & Coat

Hamster Tumors and Lumps: What's Worrying and What's Not

Hamster lumps over 12 months old are usually tumors (often benign). Abscesses and cysts also occur. Here's how to tell them apart and when surgery makes se

🐹Hamster HealthMay 25, 2026

Hamster Polycystic Disease Signs: Distended Belly in Seniors

Hamster polycystic disease causes a slowly distending belly and weight loss in older hamsters. Here are signs, diagnosis, and supportive care.

🐹Hamster HealthMay 25, 2026

🩺Chronic & Systemic

Hamster Cushing's Disease Signs: Hair Loss and Thin Skin

Hamster Cushing's disease causes hair loss, thin skin, and increased thirst in older hamsters. Here is how it presents and supportive care.

🐹Hamster HealthMay 24, 2026

👁️Eyes & Ears

Hamster Eye Bulging: Causes, Proptosis, and Emergency Care

Hamster eye bulging can be proptosis from trauma, infection, abscess, or tumor. Here is how to handle this common exotic emergency.

🐹Hamster HealthMay 24, 2026

Hamster Mites Treatment: Symptoms, Diagnosis, and Cure

Hamster mites cause itching, hair loss, and scaly skin. Here is how vets diagnose and treat with safe, effective antiparasitics.

🐹Hamster HealthMay 22, 2026

Hamster Shaking or Trembling: Causes, Cold Stress, and When to Worry

A shaking hamster can be cold, scared, or genuinely sick. Here's how to tell which — and when to get exotic vet care.

🐹Hamster HealthMay 20, 2026

🚨Emergency

Hamster Heatstroke: Signs, Emergency Treatment, and Prevention

Hamsters can die from heatstroke within hours. Learn the warning signs, what to do immediately, and how to keep your hamster cool.

🐹Hamster HealthMay 19, 2026

Hamster Bladder Stones: Signs, Causes, and Treatment Options

Bladder stones in hamsters cause straining, blood in urine, and pain. Learn the signs, what causes urinary stones in hamsters, and when to see a vet.

🐹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.

🐹Hamster HealthMay 17, 2026

🤮Digestive

Hamster Constipation: Signs, Causes, and What to Do

Hamster constipation can escalate quickly. Learn to spot reduced droppings, a bloated belly, and straining — and when to see a vet immediately.

🐹Hamster HealthMay 14, 2026

🌿Skin & Coat

Hamster Skin Mites: Signs, Causes, and Treatment

Hamster skin mites cause hair loss and irritated skin. Learn the signs, what to do at home, and when an exotic vet visit is essential.

🐹Hamster HealthMay 13, 2026

Hamster Stroke Symptoms: Signs, Recovery, and What to Do

Sudden head tilt, one-sided weakness, and circling can all be hamster stroke symptoms. Learn how to recognize them and care for a recovering hamster.