Disease Library

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

505 results
digestive

Feline Cricopharyngeal Achalasia

A genuinely rare condition where a specific muscle at the top of the esophagus fails to relax normally during swallowing, causing food to…

digestive

Feline Cricopharyngeal Dysphagia

A swallowing disorder affecting the cricopharyngeal muscle (part of the upper esophagus/throat area involved in the swallowing process),…

emergency trauma

Feline Crush Injury

Tissue damage resulting from significant compressive force, most commonly from a door, window, or car-related accident — can range from…

emergency trauma

Feline Crush Syndrome

While crush injury to a specific body part is covered in its own entry, this addresses the broader, more serious systemic complication that…

skin

Feline Cryptococcus neoformans Infection

A fungal infection, most commonly entering through the respiratory tract but frequently causing visible skin and nasal symptoms — genuinely…

reproductive

Feline Cryptorchidism

A condition where one or both testicles fail to descend normally into the scrotum, remaining instead within the abdomen or inguinal canal —…

skin

Feline Cutaneous Drug Eruption

Skin reactions occurring as a specific adverse effect of medication, ranging from mild rash to more significant, widespread skin changes —…

cancer

Feline Cutaneous Histiocytoma

A benign skin tumor arising from a specific type of immune cell (histiocytes), genuinely much more commonly discussed and diagnosed in…

skin

Feline Cutaneous Horn

A distinctive, hard, keratin-based growth projecting from the skin surface, genuinely uncommon in cats — can arise from an underlying…

cancer

Feline Cutaneous Lymphoma

A form of lymphoma specifically affecting the skin, distinct from the more commonly discussed internal (multicentric, gastrointestinal, or…

skin

Feline Cutaneous Mucinosis

A genuinely rare skin condition involving abnormal accumulation of mucin (a normal skin component) within skin tissue, notably associated…

skin

Feline Cutaneous Xanthoma

A skin condition involving deposits of fat-laden material, genuinely uncommon in cats and notably associated with underlying disorders of…

parasitic

Feline Cuterebriasis

Infestation with Cuterebra fly larvae, a parasite whose normal hosts are rodents and rabbits but which can occasionally infect cats,…

reproductive

Feline Cystic Endometrial Hyperplasia

A thickening and cyst formation within the uterine lining, driven by hormonal influence over repeated heat cycles without pregnancy —…

urinary

Feline Cystine Urolithiasis

A genuinely rare type of urinary stone formed from cystine, an amino acid, reflecting an inherited defect in normal kidney handling of this…

urinary

Feline Cystinuria

A rare inherited metabolic condition affecting how the kidneys handle certain amino acids, resulting in excessive cystine (a specific amino…

infectious

Feline Cytauxzoonosis

A genuinely severe, often rapidly fatal tick-borne parasitic infection, notably regional given its dependence on a specific tick vector and…

infectious

Feline Cytauxzoonosis

A genuinely severe, often rapidly fatal tick-borne parasitic infection, notably regionally significant in parts of the United States…

musculoskeletal

Feline Degenerative Joint Disease / Osteoarthritis

Osteoarthritis is extremely common in older cats — studies using X-rays have found evidence of it in a large majority of cats over about…

neurological

Feline Degenerative Lumbosacral Stenosis

A narrowing of the spinal canal at the lumbosacral junction (lower back, near the tail base), genuinely much more commonly discussed in…

neurological

Feline Degenerative Myelopathy

A progressive degeneration of the spinal cord, causing gradually worsening hind limb weakness and eventually paralysis — much more…

emergency trauma

Feline Degloving Injury

A significant injury where skin and underlying tissue are torn away from their normal attachment, most commonly affecting the limbs…

emergency trauma

Feline Dehydration (General)

A state of inadequate body water content, which can result from numerous underlying causes ranging from simple inadequate water intake to…

ear

Feline Demodectic Otitis

Ear canal involvement specifically from Demodex mites, distinct from the more commonly discussed Otodectes (classic ear mite) infestation —…