Disease Library
A comprehensive reference covering feline diseases across every major body system — causes, symptoms, diagnosis, treatment, and prevention.
Feline Pica (General, Non-Wool-Specific)
While wool-sucking/pica specifically associated with Oriental breeds is covered in its own entry, this addresses the broader pattern of…
earFeline Pinnal Vasculitis
Inflammation of the small blood vessels within the ear flap (pinna), genuinely uncommon in cats — can result from immune-mediated processes…
skinFeline Plasma Cell Pododermatitis
A condition causing swelling and changes to the paw pads, believed to have an immune-mediated basis given the specific type of inflammatory…
cancerFeline Plasmacytoma
A tumor arising from plasma cells (a type of antibody-producing immune cell), which can occur as a solitary skin or oral mass, distinct…
respiratoryFeline Pleural Effusion
An abnormal accumulation of fluid in the pleural space (the area between the lungs and the chest wall), which compresses the lungs and…
respiratoryFeline Pneumonia
Inflammation and infection of the lungs, which can result from bacterial, viral, or fungal causes, or from aspiration of foreign material…
parasiticFeline Pneumonyssoides caninum-related Nasal Mite Infestation
Infestation with nasal mites, genuinely rare in cats and much more commonly discussed in dogs — causes chronic nasal irritation and…
musculoskeletalFeline Polyarthritis
Inflammation affecting multiple joints simultaneously, distinct from osteoarthritis (which typically affects specific joints from…
kidneyFeline Polycystic Kidney Disease (PKD)
An inherited condition causing multiple fluid-filled cysts to develop within the kidneys, gradually enlarging and progressively replacing…
liverFeline Portal Vein Hypoplasia (Microvascular Dysplasia)
A condition involving underdevelopment of the small portal blood vessels within the liver at a microscopic level, distinct from a…
liverFeline Portal Vein Thrombosis
A blood clot forming within the portal vein (the vessel carrying blood from the digestive tract to the liver), genuinely rare in cats but…
liverFeline Portosystemic Shunt (PSS)
An abnormal blood vessel connection that allows blood from the digestive tract to bypass the liver instead of passing through it for…
earFeline Post-Frostbite Pinnal Alopecia
Hair loss and structural changes to the ear flap (pinna) resulting as a lasting consequence of prior frostbite damage, distinct from the…
emergency traumaFeline Post-Surgical Seroma
A fluid-filled swelling that can develop beneath a surgical incision during healing, genuinely common and typically benign — distinct from…
digestiveFeline Postoperative Ileus
A temporary slowing or cessation of normal digestive tract movement following surgery, genuinely more commonly discussed in relation to…
liverFeline Postprandial Hyperammonemia
A specific pattern where blood ammonia levels rise notably after eating, genuinely useful as a more sensitive test for certain liver…
reproductiveFeline Priapism
A genuinely rare condition involving persistent, often painful penile erection unrelated to normal sexual activity — this represents a true…
endocrineFeline Primary Hyperaldosteronism
A condition caused by excessive aldosterone production, typically from a tumor of the adrenal gland, causing both dangerously low blood…
reproductiveFeline Prostatitis
Inflammation or infection of the prostate gland, genuinely uncommon in cats given how much smaller and less prominent this gland is…
skinFeline Psychogenic Alopecia
Hair loss resulting from excessive grooming/licking driven primarily by a behavioral or stress-related cause rather than an underlying skin…
parasiticFeline Pulmonary Capillariasis
A parasitic infection of the airways caused by a different specific organism than the more commonly discussed lungworm, genuinely uncommon…
respiratoryFeline Pulmonary Hypertension
Elevated blood pressure specifically within the blood vessels of the lungs, distinct from the more commonly discussed general (systemic)…
heartFeline Pulmonic Stenosis
A congenital narrowing at the outflow from the heart's right side into the pulmonary artery (the vessel carrying blood to the lungs), one…
kidneyFeline Pyelonephritis
A bacterial infection of the kidney itself (as opposed to a lower urinary tract infection confined to the bladder), which can cause both…