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.

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Showing 1–24 of 996 articles

🐿️Sugar Glider HealthAug 21, 2026

🚽Urinary

Sugar Glider Paracloacal Gland Impaction: Swelling and Straining

Swelling beside a sugar glider’s cloaca, repeated straining, discharge, or persistent attention to the area needs prompt veterinary assessment. Do not squeeze the glands at home: urinary blockage, infection, a cyst, and other painful problems can look similar.

🐕Dog HealthAug 21, 2026

🐣New Pet & Care

New Kitten and Existing Dog: A Safe Introduction Timeline

Introduce a new kitten to your dog by behavior milestones, not a fixed countdown. Start with separation, move through scent and barrier sessions, and allow direct contact only when both animals remain calm and easy to redirect.

🐟Fish HealthAug 21, 2026

🐛Parasites

Koi Fish Lice (Argulus): How to Spot Them and What to Do

Fish lice are small crustacean parasites that may appear as moving, flattened oval spots on koi. Learn how to recognize suspicious signs, protect the pond, and get the infestation properly identified before treatment.

🐭Chinchilla HealthAug 21, 2026

🚨Emergency

Chinchilla Choking: Retching, Drooling, and Emergency Action

Drooling, retching, coughing, or difficult breathing can signal choking in a chinchilla. Keep handling minimal, do not force food or reach blindly into the mouth, and seek emergency veterinary care.

🦜Bird HealthAug 21, 2026

🌿Skin & Coat

Budgie Xanthoma: Yellow Skin Masses, Bleeding, and Vet Care

A yellow or fatty-looking lump on a budgie may be a xanthoma, but appearance alone cannot distinguish it from a lipoma, tumor, abscess, or injured tissue. Learn what to protect, what not to do, and when an avian vet should examine it.

🦎Reptile HealthAug 19, 2026

👁️Eyes & Ears

Red-Eared Slider Ear Abscess: What That Side-of-Head Lump Means

A round swelling behind a red-eared slider's eye may be an aural abscess—a middle-ear problem that usually needs veterinary removal, not squeezing at home. Learn what to look for, how urgent it is, and why diet and husbandry still matter.

🐈Cat HealthAug 19, 2026

🐾Behavior & Training

Introducing a New Kitten to a Resident Cat: A Step-by-Step Plan

Introduce a new kitten to your resident cat through separation, scent exchange, barrier meetings, and short supervised sessions. Let both cats' behavior—not a fixed calendar—set the pace.

🦔Hedgehog HealthAug 19, 2026

👁️Eyes & Ears

Hedgehog Bulging Eye: Proptosis, Injury, and What to Do

A hedgehog's suddenly bulging or protruding eye is urgent because exposed tissue can dry and deeper infection or injury may be present. Learn how to protect the eye without pressing on it and what the veterinarian needs to investigate.

🐭Chinchilla HealthAug 19, 2026

🚽Urinary

Chinchilla Penile Fur Ring: Swelling, Straining, and What to Do

A penile fur ring can trap a male chinchilla's penis outside the prepuce and constrict the urethra. Learn which signs make this an emergency, how it differs from bladder stones or constipation, and why swollen tissue should not be handled at home.

🐟Fish HealthAug 19, 2026

🐛Parasites

Aquarium Fish Anchor Worm: Signs, Look-Alikes, and Safe Next Steps

A pale thread protruding from a fish may be an anchor worm, but plant fibers, fungus, and damaged tissue can look similar. Learn what to document, why the whole system matters, and when fish need urgent veterinary help.

🐿️Sugar Glider HealthAug 18, 2026

👁️Eyes & Ears

Sugar Glider Eye Swelling: Bulging, Discharge, and Dental Causes

A swollen, bulging, closed, or discharging eye in a sugar glider may reflect surface injury or disease behind the eye, including a dental-root abscess. Learn what to observe, what not to put in the eye, and when care is urgent.

🦎Reptile HealthAug 18, 2026

🐛Parasites

Snake Mites: Signs, Quarantine, and Safe Next Steps

Tiny moving specks around a snake's eyes, chin, scales, or water bowl may be snake mites, but harmless enclosure arthropods can look similar. Learn how to document the problem, isolate safely, and avoid pesticide mistakes while arranging reptile-veterinary care.

🐕Dog HealthAug 18, 2026

🐾Behavior & Training

Introducing a New Puppy to a Resident Dog: A Safe Step-by-Step Plan

A calm introduction starts before the puppy comes through the door. Learn how to arrange a neutral first meeting, manage food and rest spaces, read both dogs' body language, and decide when they are ready for more freedom together.

🐭Chinchilla HealthAug 18, 2026

🌿Skin & Coat

Chinchilla Bumblefoot: Sore Feet, Ulcers, and Safe Next Steps

Not every firm chinchilla footpad is diseased, but redness, swelling, cracks, ulcers, bleeding, or limping can signal pododermatitis. Learn how to reduce pressure safely and when veterinary care is urgent.

🦜Bird HealthAug 18, 2026

🐛Parasites

Canary Scaly Leg Mites: Crusts, Tassel Foot, and Care

Raised scales and crusts on a canary's legs may be caused by Knemidocoptes mites, but aging, pressure sores, injury, infection, and a tight leg band can look similar. Learn what to photograph, what not to scrape, and when avian care is urgent.

🦎Reptile HealthAug 17, 2026

🤮Digestive

Snake Regurgitation: Causes, Safe Next Steps, and Warning Signs

A snake bringing up a meal can reflect handling or feeding conditions, but repeated regurgitation, weight loss, swelling, or weakness raises concern for gastrointestinal or systemic disease. Learn what to document, what not to do, and when reptile care is urgent.

🐕Dog HealthAug 17, 2026

🛡️Wellness & Prevention

New Puppy Insurance: When to Get It and What It Covers

Pet insurance is easiest to compare before a new puppy develops symptoms or receives a diagnosis. Learn how accident-only, accident-and-illness, and wellness coverage differ—and which exclusions, waiting periods, limits, and reimbursement rules to check.

🐁Mouse HealthAug 17, 2026

👁️Eyes & Ears

Mouse Bulging Eye: Swelling, Injury, or an Orbital Problem?

A mouse's eye that suddenly looks larger, pushed forward, cloudy, or unable to close needs prompt veterinary attention. Learn how to protect the eye, what details help the examination, and why appearance alone cannot separate injury, inflammation, infection, or a mass.

🐭Chinchilla HealthAug 17, 2026

🤮Digestive

Chinchilla Rectal Prolapse: Protect the Tissue and Get Help

Pink or red tissue protruding from a chinchilla's anus is an urgent problem, not something to push back at home. Learn how to protect the tissue during transport and why constipation, diarrhea, straining, or obstruction must be investigated.

🐟Fish HealthAug 17, 2026

🚨Emergency

Aquarium Fish Gasping at the Surface: Causes and Urgent Steps

Fish gathering at the surface and gulping air may be experiencing low dissolved oxygen, but nitrite and gill disease can look similar. Treat it as a tank-wide warning, check the system promptly, and avoid guessing at medication before the cause is identified.

🦎Reptile HealthAug 16, 2026

🦷Dental

Tortoise Mouth Rot: Signs, Look-Alikes, and Next Steps

Red spots, thick mucus, white or yellow plaques, a swollen mouth, or refusal to eat can indicate stomatitis in a tortoise. Learn why mouth rot is not one diagnosis and why scraping or medicating at home is unsafe.

🐀Rat HealthAug 16, 2026

🩺Chronic & Systemic

Rat Neck Lump: Abscess, Tumor, or Something Else?

A lump under a rat's jaw or on the side of the neck cannot be identified safely by feel alone. Location, growth rate, skin changes, breathing, eating, imaging, and tissue sampling help distinguish an abscess from salivary, mammary, lymph-node, or other disease.

🐕Dog HealthAug 16, 2026

🐣New Pet & Care

Puppy Microchipping: When, How It Works, and Cost

Microchipping can be discussed at an early puppy wellness visit rather than automatically waiting for spay or neuter. Learn what the procedure costs, what registration actually does, and which follow-up steps make the chip useful.

🐟Fish HealthAug 16, 2026

🌿Skin & Coat

Goldfish Ulcers and Red Sores: Causes and Urgent Steps

An open crater, bleeding patch, or spreading red sore on a goldfish is not simply fin rot. Learn what can cause ulcers, which water and tank clues matter, and why guessing an antibiotic can delay the right diagnosis.