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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All topics 🚨Emergency(113)🤮Digestive(128)💨Respiratory(96)🚽Urinary(35)🐛Parasites(63)🌿Skin & Coat(134)🦴Mobility(77)🍽️Eating & Drinking(51)👁️Eyes & Ears(103)🦷Dental(53)🩺Chronic & Systemic(160)🐾Behavior & Training(60)🛡️Wellness & Prevention(42)🐣New Pet & Care(19)

Showing 169–192 of 1179 articles

🐭Degu HealthAug 29, 2026

💨Respiratory

Degu Breathing Fast: Respiratory Distress and Urgent Signs

Fast, noisy, or effortful breathing in a degu is not a diagnosis and can become an emergency. Minimize handling, check the environment, and arrange prompt exotic-veterinary care.

🐈Cat HealthAug 29, 2026

🛡️Wellness & Prevention

Choosing a Kitten Food: First-Year Nutrition Guide

Choose kitten food by the nutritional adequacy statement, calorie information, and your kitten's growth and body condition—not package buzzwords or one ingredient.

🦜Bird HealthAug 29, 2026

🌿Skin & Coat

Canary Bumblefoot: Red, Swollen Feet and Safe Next Steps

A red, smooth, crusted, or swollen canary foot may be pododermatitis, but trauma, mites, constriction, and deeper disease can look similar. Learn what to check and avoid.

🐟Fish HealthAug 29, 2026

🚨Emergency

Aquarium Fish Nitrite Poisoning: Brown Blood Disease and Urgent Steps

Nitrite can impair oxygen transport even when a tank contains oxygen. Test promptly, increase aeration, stop feeding temporarily, and address the nitrogen-cycle failure safely.

🦎Reptile HealthAug 28, 2026

🌿Skin & Coat

Turtle Red Plastron: Injury, Shell Disease, or Emergency?

Redness on a turtle's plastron can reflect surface irritation, injury, shell disease, or systemic illness; color alone cannot identify the cause. Photograph the change, assess the whole turtle and habitat, and seek prompt reptile care for spreading redness, soft or damaged shell, discharge, weakness, or appetite loss.

🐿️Sugar Glider HealthAug 28, 2026

💨Respiratory

Sugar Glider Breathing Fast: Signs of Respiratory Distress

Fast or effortful breathing in a sugar glider can signal respiratory distress and deserves prompt veterinary attention. Learn what to observe, how to minimize stress, and why appearance alone cannot identify the cause.

🦎Reptile HealthAug 28, 2026

👁️Eyes & Ears

Snake Retained Eye Cap: How to Spot It and What Not to Do

A cloudy or wrinkled snake eye after shedding may be a retained spectacle, but swelling, discharge, mites, injury, and infection can look similar. Do not peel or pull at the eye; check the shed and arrange reptile-veterinary care if the appearance persists or the eye is painful or swollen.

🐁Mouse HealthAug 28, 2026

🤮Digestive

Mouse Rectal Prolapse: Red Tissue at the Anus and Urgent Care

Red or pink tissue protruding from a mouse's anus may be rectal prolapse and needs prompt veterinary care. Protect the tissue, avoid trying to push it back, and look for signs of straining or illness.

🐕Dog HealthAug 28, 2026

🛡️Wellness & Prevention

Choosing a Puppy Food: First-Year Nutrition Guide

Choose puppy food by nutritional adequacy, life-stage fit, expected adult size, calorie information, and manufacturer transparency—not by marketing language or one ingredient.

🐈Cat HealthAug 28, 2026

🛡️Wellness & Prevention

New Kitten Weight and Growth Milestones by Month

A kitten’s growth is best judged by a steady personal trend, not a single ideal weight. Learn how to weigh consistently, read the first-year pattern, and recognize changes that need a veterinary check.

🦔Hedgehog HealthAug 28, 2026

🦷Dental

Hedgehog Mouth Lump: Gum Growth, Infection, or Tumor?

A lump in or around a hedgehog's mouth needs prompt veterinary assessment. Benign gum overgrowth, inflammation, infection, and invasive tumors can look similar without examination and tissue testing.

🐭Degu HealthAug 28, 2026

🌿Skin & Coat

Degu Skin Lump: Abscess, Cyst, or Tumor?

A new lump on a degu may be inflammatory, infected, cystic, or neoplastic, and touch alone cannot identify it. Track its location and change, prevent self-trauma, and arrange an exotic-vet examination.

🐟Fish HealthAug 28, 2026

🐛Parasites

Aquarium Fish Flashing and Rubbing: Causes and What to Do

Flashing is the sudden rubbing or flicking of a fish against objects. It can reflect skin or gill irritation, but behavior alone cannot tell you whether the cause is a parasite, water problem, or another disorder.

🐟Fish HealthAug 28, 2026

🛡️Wellness & Prevention

Aquarium Fish Clamped Fins: Causes and What to Check

Clamped fins are a warning posture, not a diagnosis. Check the aquarium and the whole fish promptly, because water problems, irritation, parasites, and other illnesses can look similar.

🦎Reptile HealthAug 26, 2026

🚨Emergency

Tortoise Cracked Shell: First Aid and When It’s an Emergency

A cracked tortoise shell is an injury to living tissue, not a harmless chip in a hard case. Protect the area, limit movement, avoid home repair, and arrange prompt reptile-veterinary care because deeper injuries may be hidden.

🐀Rat HealthAug 26, 2026

👁️Eyes & Ears

Rat Squinting One Eye: Corneal Injury, Ulcer, and When to Act

A rat that keeps one eye partly or fully closed may have irritation, inflammation, injury, or another eye problem. Because an ulcer cannot be confirmed by appearance alone and eye disease can worsen, arrange prompt care with an exotic-animal veterinarian.

🦜Bird HealthAug 26, 2026

🚨Emergency

Parrot Beak Injury: Bleeding, Cracks, and What to Do

A bleeding, cracked, displaced, or partly broken parrot beak needs prompt avian-veterinary assessment. Keep the bird quiet, avoid manipulating the beak, and use this guide to plan safe transport.

🐕Dog HealthAug 26, 2026

🛡️Wellness & Prevention

New Puppy Flea, Tick, and Heartworm Prevention Schedule

A puppy parasite-prevention plan should follow each product label and your puppy’s age, weight, health history, location, and exposure. Use this decision timeline to prepare for the first vet visit and keep flea, tick, and heartworm protection on track.

🐟Fish HealthAug 26, 2026

🐛Parasites

Epistylis in Aquarium Fish: White Patches, Red Sores, and What to Do

Epistylis can form white-to-gray patches on freshwater fish, but appearance alone cannot confirm it. Learn which signs need prompt attention, why a wet mount matters, and how water quality fits into the plan.

🐀Rat HealthAug 25, 2026

🚨Emergency

Rat Vaginal Bleeding: Causes and When It Is an Emergency

Visible blood around a female rat's genital area may come from the reproductive tract, urinary tract, skin, or nearby tissues. Because appearance alone cannot identify the source and significant blood loss can become dangerous, arrange prompt care with an exotic-animal veterinarian.

🦜Bird HealthAug 25, 2026

🚨Emergency

Parrot Cloacal Prolapse: Exposed Vent Tissue and Urgent Care

Pink or red tissue protruding from a parrot’s vent may be a cloacal prolapse and needs prompt avian veterinary care. Learn how to protect the bird during transport and why home reduction can cause more harm.

🐈Cat HealthAug 25, 2026

🦷Dental

Kitten Teething and Chewing: What to Expect

Kittens grow and replace teeth quickly, but chewing alone does not prove that teething is the cause. Learn what is expected, how to make the home safer, and which mouth changes need a veterinary exam.

🦔Hedgehog HealthAug 25, 2026

🩺Chronic & Systemic

Hedgehog Heart Disease: Breathing Trouble, Weakness, and Vet Tests

Heart disease can cause breathing difficulty, low activity, weight loss, abdominal swelling, or sudden decline in a hedgehog. These signs overlap with respiratory, neurologic, and other serious illnesses, so diagnosis requires an exotic-animal veterinarian rather than observation at home.

🐟Fish HealthAug 25, 2026

🚨Emergency

Aquarium Fish Chlorine and Chloramine Poisoning: Signs and First Steps

Fish that become distressed during or after a tap-water change may have been exposed to chlorine or chloramine. Test promptly, increase aeration, stop adding untreated water, and contact an aquatic veterinarian or experienced aquatic professional for urgent guidance.