Disease Library
A comprehensive reference covering feline diseases across every major body system — causes, symptoms, diagnosis, treatment, and prevention.
Feline Cataracts
A cataract is a clouding of the eye's normally clear lens, which can range from a tiny, vision-irrelevant spot to complete opacity causing…
neurologicalFeline Cauda Equina Syndrome
A condition affecting the bundle of nerve roots at the lower end of the spinal cord (the cauda equina), sharing conceptual overlap with…
digestiveFeline Cecal Inversion
A genuinely rare condition where the cecum (a small pouch at the junction of the small and large intestine) turns inside out into the…
neurologicalFeline Central Vestibular Disease
A form of vestibular disease (affecting balance) originating from the brainstem itself, distinct from the more commonly discussed…
neurologicalFeline Cerebellar Abiotrophy
A genetic condition where cerebellar cells (part of the brain responsible for coordinating movement) develop normally but then…
neurologicalFeline Cerebellar Hypoplasia
An underdevelopment of the cerebellum (the brain region responsible for coordinating movement and balance), most commonly resulting from…
earFeline Ceruminous Gland Adenocarcinoma
A malignant tumor arising from the wax-producing glands within the ear canal, distinct from the benign hyperplasia of these same glands…
earFeline Ceruminous Gland Hyperplasia
A benign (non-cancerous) overgrowth of the ceruminous glands (the glands within the ear canal that produce earwax), distinct from the…
earFeline Ceruminous Gland Tumors (Ear Canal Tumors)
Tumors arising from the ceruminous glands (the glands within the ear canal responsible for producing earwax), which in cats have a notably…
earFeline Ceruminous Impaction
A blockage of the ear canal caused by excessive accumulation of earwax (cerumen), distinct from the glandular overgrowth conditions covered…
cancerFeline Chemodectoma (Aortic Body Tumor)
A genuinely rare tumor arising from specialized chemoreceptor tissue near major blood vessels in the chest, most commonly near the base of…
parasiticFeline Cheyletiellosis (Walking Dandruff)
Infestation with Cheyletiella mites, surface-dwelling parasites causing a distinctive flaky, dandruff-like skin appearance — sometimes…
skinFeline Chin Acne
Feline acne is a common condition causing blackheads and, sometimes, inflamed pustules on a cat's chin and lower lip. It's generally more…
infectiousFeline Chlamydiosis (Chlamydia felis infection)
Chlamydia felis is a bacterium that causes conjunctivitis in cats, often alongside mild upper respiratory signs. It's a distinct organism…
respiratoryFeline Choanal Atresia
A genuinely rare congenital condition where the passage connecting the back of the nasal cavity to the throat fails to form normally,…
poisoning toxicologyFeline Chocolate (Theobromine) Toxicosis
Poisoning from ingesting chocolate, caused by theobromine (and to a lesser extent caffeine), compounds cats metabolize much more slowly…
liverFeline Cholangiohepatitis (Cholangitis Complex)
Cholangiohepatitis refers to inflammation of the liver and bile duct system, and is one of the more commonly diagnosed liver conditions in…
liverFeline Choledocholithiasis
A stone specifically lodged within the common bile duct (the main channel carrying bile from the liver/gallbladder to the intestine),…
liverFeline Cholelithiasis (Gallstones)
Stones forming within the gallbladder, genuinely rare in cats compared to some other species — often discovered incidentally during imaging…
earFeline Cholesteatoma (Middle Ear)
An abnormal accumulation of skin cells and debris within the middle ear, typically developing as a complication of chronic middle ear…
respiratoryFeline Chronic Bronchitis (distinct entry from Feline Asthma)
Chronic bronchitis in cats involves persistent airway inflammation, and while it overlaps significantly with feline asthma (see that…
dentalFeline Chronic Gingivostomatitis (Caudal Stomatitis Detail)
While chronic gingivostomatitis is a broader topic, this addresses the specific, genuinely severe presentation involving the back of the…
dentalFeline Chronic Gingivostomatitis (FCGS)
Feline chronic gingivostomatitis is a severe, painful inflammation of the gums and the wider mouth tissue, believed to involve an excessive…
kidneyFeline Chronic Kidney Disease (Chronic Renal Insufficiency)
CKD is a progressive, irreversible decline in kidney function that is extremely common in older cats — often cited as affecting a…