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 76 articles found

🦎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.

🦔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.

🐿️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.

🐁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 16, 2026

👁️Eyes & Ears

Chinchilla Eye Discharge: When Teeth and Tear Ducts Are Involved

Wet fur, white discharge, squinting, or a sticky eyelid in a chinchilla can reflect an eye problem, but dental disease may also obstruct tear drainage. Learn what to document, what not to put in the eye, and when care is urgent.

🐭Gerbil HealthAug 13, 2026

👁️Eyes & Ears

Gerbil Ear Cholesteatoma: Head Tilt, Scratching, and Ear Pain

Head tilt, scratching, circling, discharge, or balance loss in a gerbil needs an exotic-veterinary examination. A cholesteatoma is one possible cause in Mongolian gerbils, although the available evidence comes mainly from laboratory ear-model and pathology studies rather than pet clinical series.

🐿️Sugar Glider HealthAug 7, 2026

👁️Eyes & Ears

Sugar Glider Cataracts: What a Cloudy Eye Really Means

A cloudy eye in a sugar glider may be a cataract — a painless lens opacity — but cataracts don't hurt, so a painful or weepy cloudy eye points to the surface of the eye instead, and that is urgent. Here's how to tell them apart, and what the literature really says about the mother's diet.

🐀Rat HealthAug 7, 2026

👁️Eyes & Ears

Rat Head Tilt: What It Means and What to Do

A head tilt in a pet rat points first to middle- or inner-ear infection — the branch that responds to treatment, though a case series in companion rats found intracranial spread was not rare. A pituitary tumour is the other differential, and it can cause balance signs too. The two are separated at the vet with an ear exam and imaging, not by watching your rat at home.

🐟Fish HealthJul 26, 2026

👁️Eyes & Ears

Betta Popeye (Exophthalmia): Causes, Treatment, and Recovery

One or both of your betta's eyes suddenly bulging is popeye — a sign, not a disease on its own. Here's what causes it, why clean water is the real cure, and when to call an aquatic vet.

🐕Dog HealthJun 30, 2026

👁️Eyes & Ears

Aural Hematoma in Dogs: Signs, Causes, and When to See a Vet

A blood-filled swelling on a dog's ear flap, usually from head-shaking due to an ear infection or allergy.

🐰Rabbit HealthJun 30, 2026

👁️Eyes & Ears

Corneal Ulcers in Rabbits: Signs, Causes, and When to See a Vet

Why rabbits get corneal ulcers, the signs to watch for (squinting, cloudy eye), and when it's urgent enough for an ER visit.

🐈Cat HealthJun 29, 2026

👁️Eyes & Ears

Cat Nasopharyngeal Polyp: Snoring and Breathing Signs Explained

A cat nasopharyngeal polyp causes stertor, nasal discharge, and head tilt. Learn the signs, how CT guides treatment, and why prednisolone after traction pr

🐈Cat HealthJun 28, 2026

👁️Eyes & Ears

Cat Conjunctivitis and Eye Discharge: Signs and Treatment

Cat eye discharge is usually from herpesvirus or bacteria, not allergies. Learn the causes, treatments, and warning signs of corneal damage.

🐈Cat HealthJun 26, 2026

👁️Eyes & Ears

Cat Corneal Sequestrum: Dark Eye Plaque Signs and Surgery

A corneal sequestrum is a dark brown plaque of dead tissue unique to cats. Learn the signs, which breeds are at risk, and surgical treatment options.

🦜Bird HealthJun 24, 2026

👁️Eyes & Ears

Cockatiel Conjunctivitis: Eye Swelling and Discharge Signs

Cockatiel conjunctivitis causes red, swollen eyes, discharge, and excessive blinking. Learn the causes — including vitamin A deficiency — and when to see a

🐈Cat HealthJun 23, 2026

👁️Eyes & Ears

Feline Aural Polyps: Ear Signs and Treatment Options

Feline inflammatory aural polyps cause chronic ear discharge, head shaking, and sometimes Horner's syndrome. Learn the signs, diagnosis steps, and treatmen

🐰Rabbit HealthJun 21, 2026

👁️Eyes & Ears

Rabbit Ear Abscess: Signs, Treatment, and What to Expect

Rabbit ear abscesses contain thick caseous pus and usually need surgery. Learn the signs, causes, and treatment options for aural abscess in rabbits.

🐹Guinea Pig HealthJun 19, 2026

👁️Eyes & Ears

Guinea Pig Eye Discharge: Normal vs. Worrying Signs

A milky eye secretion is normal in guinea pigs, but persistent or one-sided discharge often signals dental disease, bacterial infection, or vitamin C defic

🐕Dog HealthJun 18, 2026

👁️Eyes & Ears

Dog Red Eye: Conjunctivitis Signs & When to Call the Vet

A red eye in a dog can signal conjunctivitis, glaucoma, uveitis, or dry eye. Learn to distinguish causes, which need ER care, and treatment costs in the US

🐈Cat HealthJun 18, 2026

👁️Eyes & Ears

Cat Retinal Degeneration: Signs, Causes & Care

Retinal degeneration in cats from hypertension or taurine deficiency can cause sudden blindness. Learn early signs, treatable causes, costs, and how to ada

🐹Hamster HealthJun 17, 2026

👁️Eyes & Ears

Cataracts in Hamsters: Signs, Diabetes Link & Home Care

Cataracts are very common in older hamsters and those with diabetes. Learn signs, when they indicate diabetes, home adaptation tips, and vet costs.

🐈Cat HealthJun 16, 2026

👁️Eyes & Ears

Horner's Syndrome in Cats: Signs, Causes & Diagnosis

Horner's syndrome in cats — drooping eyelid, sunken eye, small pupil, raised third eyelid — points to sympathetic nerve disruption. Causes range from ear i

🐹Guinea Pig HealthJun 16, 2026

👁️Eyes & Ears

Conjunctivitis in Guinea Pigs: Signs, Causes & Treatment

Guinea pig conjunctivitis can result from bacterial infection, vitamin C deficiency, dental root abscess, or Chlamydia caviae. A weeping eye not clearing i

🐹Hamster HealthJun 16, 2026

👁️Eyes & Ears

Vestibular Disease in Hamsters: Head Tilt & Rolling Causes

A hamster with sudden head tilt, rolling, or circling has vestibular disease — most often from a middle ear infection. Learn how to distinguish ear disease