Disease Library
A comprehensive reference covering feline diseases across every major body system — causes, symptoms, diagnosis, treatment, and prevention.
Feline Hemophilia (Factor VIII/IX Deficiency)
A genetic bleeding disorder involving deficiency of a specific blood clotting factor, genuinely rare in cats — causes excessive or…
urinaryFeline Hemorrhagic Cystitis
Bladder inflammation specifically characterized by significant bleeding into the urine, which can result from several distinct underlying…
emergency traumaFeline Hemothorax
Accumulation of blood within the chest cavity (outside the lungs), most commonly resulting from significant trauma — this compresses the…
liverFeline Hepatic Abscess
A localized collection of infected material (pus) within the liver, genuinely uncommon in cats but representing a serious infection when it…
liverFeline Hepatic Amyloidosis
A condition where an abnormal protein (amyloid) deposits within the liver, progressively disrupting normal liver tissue and function — a…
liverFeline Hepatic Arteriovenous Fistula
A genuinely rare congenital abnormality where an abnormal direct connection forms between an artery and vein within the liver, bypassing…
liverFeline Hepatic Arteriovenous Malformation
A tangle of abnormal blood vessel connections within the liver, related in general concept to the arteriovenous fistula covered in another…
liverFeline Hepatic Cyst
A fluid-filled cavity within the liver, distinct from polycystic kidney disease's kidney-focused cysts (though some cats with that…
liverFeline Hepatic Encephalopathy
A neurological condition resulting from severe liver dysfunction, where toxins normally cleared by a healthy liver instead accumulate and…
liverFeline Hepatic Lipidosis (Fatty Liver Disease)
Hepatic lipidosis is a serious, potentially fatal liver condition that develops when a cat stops eating for even a few days, causing the…
liverFeline Hepatic Lymphangiectasia
A genuinely rare condition involving abnormal dilation of lymphatic vessels within the liver, related in general concept to intestinal…
liverFeline Hepatic Neoplasia (Liver Tumors)
Tumors affecting the liver, which can be primary (originating in the liver itself) or, more commonly in cats, secondary (spread to the…
liverFeline Hepatic Nodular Hyperplasia
A benign, age-related change in liver tissue where multiple small nodules develop, genuinely common as an incidental finding in older cats…
parasiticFeline Hepatic Trematodiasis (Liver Fluke)
A genuinely uncommon parasitic infection affecting the liver and bile ducts, acquired through consuming infected fish or amphibians — much…
parasiticFeline Hepatozoonosis
A genuinely rare parasitic infection in cats, transmitted through ingestion of an infected tick rather than through a tick bite directly —…
musculoskeletalFeline Hereditary Myopathy / Muscular Dystrophy
A genuinely rare group of inherited conditions affecting muscle structure and function, causing progressive muscle weakness — much less…
infectiousFeline Herpesvirus (FHV-1) Infection
A highly contagious virus and, alongside Calicivirus, one of the two primary causes of feline upper respiratory infection — notable…
digestiveFeline Hiatal Hernia
A condition where part of the stomach abnormally protrudes through the diaphragm opening where the esophagus normally passes, distinct from…
emergency traumaFeline High-Rise Syndrome
A well-recognized pattern of injuries resulting from cats falling from significant height, most commonly from apartment windows or…
musculoskeletalFeline Hip Dysplasia
Hip dysplasia is an abnormal formation of the hip joint that causes instability and, over time, degenerative joint changes and arthritis.…
musculoskeletalFeline Hip Luxation (Dislocation)
A dislocation of the hip joint, where the head of the femur (thigh bone) is displaced from its normal position within the hip socket — most…
cancerFeline Histiocytic Sarcoma
A genuinely rare, aggressive malignant tumor arising from histiocytes (a type of immune cell), distinct from the benign cutaneous…
poisoning toxicologyFeline Household Cleaning Product Toxicosis
Exposure to common household cleaning products including bleach and various other chemical cleaners, causing effects ranging from mild…
endocrineFeline Humoral Hypercalcemia of Malignancy
A condition where certain tumors produce substances mimicking parathyroid hormone's effects, causing elevated blood calcium without the…