Disease Library
A comprehensive reference covering feline diseases across every major body system — causes, symptoms, diagnosis, treatment, and prevention.
Feline Strangulation Injury
Injury resulting from something (such as a collar catching on an object, or entanglement in cord or string) constricting around the neck,…
parasiticFeline Strongyloidiasis
A genuinely uncommon intestinal parasitic infection with a notably unusual life cycle allowing this parasite to potentially complete its…
dentalFeline Supernumerary Teeth (Extra Teeth)
A condition where a cat has more teeth than the normal expected number for their species — genuinely uncommon, and while extra teeth…
emergency traumaFeline Suture Reaction
A local inflammatory or allergic-type response to suture material used during surgery, genuinely uncommon but recognized as a cause of…
eyeFeline Symblepharon
An abnormal adhesion between the conjunctiva (the membrane covering the eye and inner eyelid) and the eye's surface, most commonly a…
cancerFeline Synovial Cell Sarcoma
A genuinely rare malignant tumor arising from tissue lining the joints, causing localized joint swelling and dysfunction — much more…
neurologicalFeline Syringomyelia
A condition involving abnormal fluid-filled cavities forming within the spinal cord itself, genuinely much more extensively documented in…
emergency traumaFeline Tail Pull Injury
A specific injury pattern resulting from significant traction force on the tail, potentially damaging the nerves supplying the tail,…
heartFeline Taurine-Deficiency Dilated Cardiomyopathy
A form of dilated cardiomyopathy specifically caused by inadequate dietary taurine (an essential amino acid cats cannot adequately…
musculoskeletalFeline Temporomandibular Joint (TMJ) Luxation
A dislocation of the jaw joint (temporomandibular joint), most commonly resulting from trauma, causing an inability to properly close the…
reproductiveFeline Testicular Neoplasia
Tumors affecting the testicle, genuinely uncommon in cats given how commonly cats are neutered relatively early in life (removing the…
reproductiveFeline Testicular Torsion
A genuinely rare condition where a testicle twists on its supporting structures, compromising blood supply — most relevant in cats with…
infectiousFeline Tetanus
A genuinely rare bacterial toxin-mediated disease in cats — cats are actually notably more resistant to this toxin than many other species…
parasiticFeline Thelaziasis (Eyeworm)
A genuinely uncommon parasitic infection affecting the eye's surface, transmitted through flies acting as intermediate hosts — causes…
eyeFeline Third Eyelid (Nictitating Membrane) Neoplasia
A tumor arising from the third eyelid (nictitating membrane), a protective structure at the inner corner of a cat's eye — genuinely…
eyeFeline Third Eyelid Protrusion (Haw's Syndrome)
A visible protrusion of the third eyelid (a normally mostly-hidden protective membrane at the inner corner of the eye) across part of the…
cancerFeline Thymoma
A tumor arising from the thymus gland, an organ located in the chest that plays a role in immune system development, most active earlier in…
cancerFeline Thyroid Carcinoma
A malignant thyroid tumor, genuinely much less common in cats than the benign thyroid adenoma that typically causes hyperthyroidism — this…
endocrineFeline Thyrotoxic Crisis (Thyroid Storm)
A genuinely rare, severe complication of hyperthyroidism where excess thyroid hormone causes a sudden, severe crisis rather than the more…
heartFeline Thyrotoxic Heart Disease (Hyperthyroidism-Associated Cardiomyopathy)
Heart changes that develop as a direct consequence of untreated or poorly controlled hyperthyroidism — excess thyroid hormone places…
parasiticFeline Tick Paralysis
A genuinely serious condition caused by a neurotoxin released by certain tick species during feeding, causing progressive weakness and, in…
dentalFeline Tooth Discoloration from Pulp Necrosis
A distinctive pink, purple, or gray discoloration of a tooth resulting from death of the internal pulp tissue, most commonly following…
dentalFeline Tooth Resorption (FTR)
Tooth resorption is a common and often painful condition in which a tooth's structure is progressively broken down and absorbed by the…
dentalFeline Tooth Root Abscess
A localized infection at the root of a tooth, typically developing as a consequence of severe periodontal disease, a fractured tooth…