Disease Library
A comprehensive reference covering feline diseases across every major body system — causes, symptoms, diagnosis, treatment, and prevention.
Feline Urolithiasis (Bladder/Urinary Stones)
Urolithiasis refers to the formation of mineral stones (uroliths) within the urinary tract, most commonly in the bladder. The two most…
reproductiveFeline Uterine Stump Pyometra
A genuinely rare infection developing within the remaining uterine stump tissue following an incomplete spay procedure, distinct from…
reproductiveFeline Uterine Torsion
A genuinely rare condition where the uterus twists on itself, most relevant during pregnancy given the enlarged uterus's susceptibility to…
eyeFeline Uveitis
Inflammation of the uvea (the middle layer of the eye, including the iris), which in cats is frequently a sign of an underlying systemic…
eyeFeline Uveodermatologic Syndrome
A genuinely rare condition combining eye inflammation (uveitis) with skin changes, particularly loss of pigmentation, reflecting an…
reproductiveFeline Vaginal Hyperplasia
A condition where vaginal tissue abnormally enlarges, sometimes protruding externally, related to hormonal influence during specific…
reproductiveFeline Vaginal Hyperplasia and Prolapse
An overgrowth of vaginal tissue, driven by hormonal influence (particularly estrogen during heat), which can become significant enough to…
reproductiveFeline Vaginal Neoplasia
A tumor arising within the vagina, genuinely uncommon in cats — can be benign or malignant, presenting with symptoms like discharge or a…
reproductiveFeline Vaginal Stricture
An abnormal narrowing of the vaginal canal, which can be congenital or acquired following trauma, difficult delivery, or prior surgery —…
heartFeline Valvular Endocarditis (Detailed Valve-Specific Consideration)
While bacterial endocarditis is covered generally in another entry, this addresses valve-specific considerations — since infection can…
urinaryFeline Vesicoureteral Reflux
A condition where urine abnormally flows backward from the bladder up into the ureter(s) instead of remaining in the bladder for normal…
urinaryFeline Vesicovaginal Fistula
A genuinely rare abnormal connection between the bladder and vaginal canal, which can be congenital or result from trauma (including,…
neurologicalFeline Vestibular Disease
Vestibular disease affects the body's balance system, causing dramatic, often frightening-looking signs like head tilt, stumbling, and eyes…
poisoning toxicologyFeline Veterinary NSAID Overdose (Meloxicam and Related)
Toxicity from an overdose of veterinary-labeled NSAIDs (like meloxicam), distinct from the human NSAID toxicosis covered in another entry —…
cancerFeline Visceral Mast Cell Tumor
While cutaneous (skin) mast cell tumor is covered in its own entry, this addresses the form affecting internal organs, most commonly the…
musculoskeletalFeline Vitamin D-Related Bone Disease
Bone health problems specifically related to inadequate or, less commonly, excessive vitamin D — distinct from the calcium-focused…
eyeFeline Vitreous Hemorrhage
Bleeding into the vitreous (the clear, gel-like substance filling the back portion of the eye), most commonly resulting from significant…
endocrineFeline Von Willebrand Disease
A genetic bleeding disorder affecting normal platelet function (rather than the clotting factor deficiency discussed for hemophilia),…
poisoning toxicologyFeline Xylitol Toxicosis
Poisoning from xylitol, an artificial sweetener increasingly common in sugar-free gum, candy, baked goods, and some peanut butter products…
infectiousFeline Yersiniosis
A genuinely rare bacterial infection in cats, most commonly causing digestive symptoms, occasionally acquired through contact with…
musculoskeletalFemoral Head Avascular Necrosis (Feline)
A condition affecting blood supply to the top of the thigh bone (femoral head), causing progressive bone death and joint dysfunction in the…
infectiousHemotropic Mycoplasmosis (Feline Infectious Anemia)
An infection with Mycoplasma organisms that attach to red blood cells, causing the immune system to destroy these infected cells and…
infectiousHemotropic Mycoplasmosis (Feline Infectious Anemia)
Infection with Mycoplasma organisms that specifically attach to red blood cells, causing them to be destroyed by the body's own immune…
infectiousIn Utero Feline Panleukopenia Infection
While Feline Panleukopenia is covered generally in its own entry, this addresses the specific, genuinely serious scenario where infection…