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 1–9 of 9 articles found

🐹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

🐹Hamster HealthJun 20, 2026

🌿Skin & Coat

Hamster Ringworm: Signs, Contagion & Treatment

Hamster ringworm causes circular bald patches and scaling — and can spread to people. Learn the signs, diagnosis, and how long treatment takes.

🐹Hamster HealthJun 14, 2026

🌿Skin & Coat

Hamster Skin Lumps: Abscess vs. Tumor — What Every Lump Could Mean

Hamsters have one of the highest tumor rates of any pet rodent. Learn how to distinguish abscess from lymphoma, what FNA cytology reveals, and treatment costs.

🐹Hamster HealthJun 10, 2026

🌿Skin & Coat

Hamster Skin Lymphoma: Signs vs. Mites & Outlook

Hamster cutaneous lymphoma mimics mites but keeps spreading. Learn how to tell them apart, diagnosis, costs, and the outlook.

🐹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 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 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 11, 2026

🌿Skin & Coat

Hamster Lumps and Tumors: What's Normal and When to Worry

Hamsters are prone to tumors and skin cysts. Learn the difference between benign and malignant growths, and when a lump needs exotic vet evaluation.