Disease Library

A comprehensive reference covering feline diseases across every major body system — causes, symptoms, diagnosis, treatment, and prevention.

505 results
heart

Feline Atrial Septal Defect

A congenital heart defect involving an abnormal opening in the wall (septum) separating the two upper heart chambers (atria), allowing…

ear

Feline Aural Hematoma

A collection of blood between the layers of the ear flap (pinna), causing a soft, fluid-filled swelling — typically resulting from vigorous…

ear

Feline Auricular Chondritis

A genuinely rare condition involving inflammation specifically affecting the cartilage of the ear flap, distinct from the skin-focused…

parasitic

Feline Babesiosis

A tick-borne parasitic infection affecting red blood cells, genuinely much less commonly diagnosed in cats than in dogs, where this…

heart

Feline Bacterial Endocarditis

A bacterial infection affecting the heart valves or the inner lining of the heart chambers, genuinely uncommon in cats but serious when it…

heart

Feline Bacterial Endocarditis (Detailed Management)

While bacterial endocarditis affecting specific heart valves is covered in a related entry, this addresses broader, detailed considerations…

cancer

Feline Basal Cell Tumor

One of the more commonly diagnosed skin tumors in cats, arising from basal cells within the skin — genuinely reassuring in that the vast…

poisoning toxicology

Feline Battery Ingestion / Heavy Metal Toxicosis

A genuinely serious toxicity concern arising from a cat chewing or swallowing a battery, particularly button/disc batteries, which can…

poisoning toxicology

Feline Battery Ingestion Toxicity

A genuinely significant concern given how common small batteries are in modern households — beyond simple physical obstruction risk,…

liver

Feline Biliary Cystadenoma

A benign tumor arising from the bile duct tissue, causing a cystic (fluid-filled) mass within the liver — genuinely one of the more…

urinary

Feline Bladder Diverticulum

An abnormal outpouching of the bladder wall, which can be congenital or acquired secondary to another condition — genuinely relevant given…

eye

Feline Blepharitis

Inflammation of the eyelids themselves, distinct from conjunctivitis (which affects the membrane covering the eye surface) — can result…

infectious

Feline Bordetellosis (Bordetella bronchiseptica infection)

Bordetella bronchiseptica is a bacterium that can contribute to upper respiratory disease in cats, particularly in crowded environments…

neurological

Feline Brachial Plexus Avulsion

A traumatic injury where the nerves supplying the front leg (the brachial plexus) are torn or avulsed from the spinal cord, typically from…

respiratory

Feline Bronchiectasis

An irreversible widening and structural damage of the airways (bronchi), typically developing as a consequence of chronic, severe, or…

skin

Feline Calcinosis Cutis

A condition where calcium deposits form within the skin, genuinely uncommon in cats and much more extensively discussed in dogs,…

infectious

Feline Calicivirus (FCV) Infection

A highly contagious virus and one of the two primary causes of feline upper respiratory infection (alongside Feline Herpesvirus), notable…

poisoning toxicology

Feline Cannabis (THC) Toxicosis

Poisoning from ingestion or exposure to cannabis products containing THC, genuinely increasingly relevant given evolving legal and social…

poisoning toxicology

Feline Carbon Monoxide Toxicosis

Poisoning from carbon monoxide gas exposure, genuinely a household hazard concern given this odorless, colorless gas's potential presence…

heart

Feline Cardiac Arrhythmia (General Overview)

While specific arrhythmia types are discussed in their own entries, this addresses the broader category of abnormal heart rhythm —…

poisoning toxicology

Feline Cardiac Glycoside Plant Toxicosis (Lily of the Valley, Foxglove, Oleander)

Poisoning from plants containing cardiac glycosides — compounds that directly affect heart rhythm and function — including Lily of the…

heart

Feline Cardiac Tamponade

A genuine emergency where fluid accumulation within the pericardial sac (surrounding the heart) becomes significant enough to physically…

dental

Feline Carnassial Tooth Fracture

A fracture specifically affecting the carnassial tooth (a large upper premolar with important chewing function), genuinely important given…

musculoskeletal

Feline Carpal Hyperextension Injury

An injury to the supporting ligaments of the carpus (wrist joint), causing the joint to bend abnormally beyond its normal range — can…