Cat Health Conditions
94 Conditions in this category.
Feline Leukemia Virus
Feline Leukemia Virus (FeLV) is a retroviral infection that weakens the cat's immune system and can lead to secondary infections, anemia, or lymphoma.
Feline Immunodeficiency Virus
Feline Immunodeficiency Virus (FIV) is a lentivirus that weakens a cat's immune system, making them more susceptible to secondary infections and chronic health issues.
Feline Panleukopenia
Feline Panleukopenia, or feline distemper, is a highly contagious and often fatal viral disease caused by the feline parvovirus that severely compromises the immune system.
Hyperthyroidism
Feline hyperthyroidism is a common endocrine disorder caused by the excessive production of thyroid hormones due to a functional tumor of the thyroid gland.
Feline Herpesvirus
Feline Herpesvirus-1 (FHV-1) is a highly prevalent, lifelong viral infection that primarily causes upper respiratory distress and ocular manifestations in cats.
Feline Infectious Peritonitis
Feline Infectious Peritonitis (FIP) is a complex, immune-mediated disease caused by a mutated form of the feline enteric coronavirus.
Feline Lower Urinary Tract Disease (FLUTD)
Feline Lower Urinary Tract Disease (FLUTD) is a complex collection of conditions affecting the bladder and urethra of cats, characterized by frequent, painful, or difficult urination.
Feline Calicivirus
Feline Calicivirus (FCV) is a highly contagious upper respiratory pathogen in cats that frequently manifests with oral ulcerations, sneezing, and systemic inflammatory responses.
Feline Leukemia Virus (FeLV)
Feline Leukemia Virus (FeLV) is a retrovirus that compromises the feline immune system, predisposing cats to secondary infections, anemia, and various forms of cancer.
Feline Triaditis
Feline Triaditis is a complex inflammatory condition characterized by the simultaneous occurrence of pancreatitis, inflammatory bowel disease (IBD), and cholangitis in cats.
Polycystic Kidney Disease
Feline Polycystic Kidney Disease (PKD) is a progressive, inherited genetic condition characterized by the formation of fluid-filled cysts within the renal parenchyma, eventually leading to chronic kidney failure.
Stomatitis
Feline chronic gingivostomatitis (FCGS) is a debilitating, inflammatory condition characterized by severe, painful ulceration of the oral mucosal tissues, often requiring aggressive surgical intervention.
Hypertrophic Cardiomyopathy
Hypertrophic cardiomyopathy (HCM) is the most common heart disease in cats, characterized by the abnormal thickening of the muscular walls of the left ventricle which impairs the heart's ability to pump blood effectively.
Tooth Resorption
Tooth Resorption is a painful, progressive condition in cats where the tooth structure is gradually broken down and replaced by bone-like tissue, eventually leading to tooth loss.
Hepatic Lipidosis
Feline hepatic lipidosis, often called fatty liver disease, is a life-threatening condition where excessive fat accumulates in liver cells, causing severe organ dysfunction due to prolonged fasting or metabolic stress.
Fibrosarcoma
Fibrosarcoma is an aggressive, malignant tumor arising from the fibrous connective tissue in cats, frequently associated with site-specific trauma or chronic inflammation.
Feline Chlamydia
Feline Chlamydia, caused by Chlamydia felis, is a highly contagious bacterial infection primarily targeting the ocular and respiratory systems in cats.
Feline Bordetella
Feline Bordetella is a highly contagious bacterial respiratory infection caused by Bordetella bronchiseptica that targets the upper airway, potentially leading to severe bronchopneumonia.
Toxoplasmosis
Toxoplasmosis is a systemic infection caused by the protozoan parasite Toxoplasma gondii, which can affect a wide range of mammals and birds, with felids serving as the definitive host.
Cytauxzoonosis
Cytauxzoonosis is a severe, often fatal tick-borne parasitic disease affecting felines, characterized by fever, lethargy, and organ damage.
Tularemia
Tularemia is a serious zoonotic disease in cats caused by the bacterium Francisella tularensis, typically transmitted through contact with infected prey or tick bites.
Cowpox Infection
Feline Cowpox is a rare, zoonotic orthopoxvirus infection typically acquired through contact with small wild rodents that results in characteristic skin lesions and potential systemic complications.
Liver Fluke
Feline liver fluke infection is a parasitic condition caused by trematodes that inhabit the bile ducts, leading to hepatobiliary inflammation and potentially chronic liver disease.
Aelurostrongylus (Lungworm)
Aelurostrongylus abstrusus is a parasitic lungworm infection in cats that invades the bronchioles and alveolar ducts, causing respiratory distress and chronic airway inflammation.
Cognitive Dysfunction Syndrome
Cognitive Dysfunction Syndrome (CDS) in cats is a progressive neurodegenerative condition impacting older cats, akin to Alzheimer's disease in humans, leading to behavioral changes and a decline in cognitive function.
Cholangiohepatitis
Cholangiohepatitis is a chronic inflammatory liver disease in cats, often part of a triad involving the pancreas and small intestine, leading to progressive liver damage.
Fatty Liver Syndrome
Feline Hepatic Lipidosis, commonly known as fatty liver syndrome, is a life-threatening metabolic condition occurring when a cat stops eating, leading to a massive accumulation of triglycerides in liver cells.
Feline Viral Rhinotracheitis
Feline Viral Rhinotracheitis (FVR) is a highly contagious respiratory infection caused by the Feline Herpesvirus-1 (FHV-1) that typically results in upper respiratory distress and ocular inflammation in cats.
Cerebellar Hypoplasia
Cerebellar Hypoplasia is a non-progressive neurological condition in kittens resulting from incomplete development of the cerebellum in utero, typically caused by in-utero exposure to the feline panleukopenia virus.
Mitral Valve Dysplasia
Mitral valve dysplasia in cats is a congenital malformation of the mitral valve apparatus that results in valvular incompetence and subsequent heart failure.
Feline Spongiform Encephalopathy
Feline Spongiform Encephalopathy (FSE) is a progressive, fatal neurodegenerative disease caused by misfolded prion proteins that affect the feline central nervous system.
Scottish Fold Osteochondrodysplasia
Scottish Fold Osteochondrodysplasia is a progressive, inherited skeletal disorder that causes abnormal cartilage development, leading to painful joint degradation and bone lesions in cats carrying the Fold gene.
Acromegaly
Acromegaly, or hypersomatotropism, is a chronic endocrine condition in cats caused by excessive secretion of growth hormone, typically from a pituitary tumor.
Feline Coronavirus
Feline Coronavirus (FCoV) is a common viral infection in cats that typically causes mild gastrointestinal distress but can mutate into the life-threatening Feline Infectious Peritonitis (FIP).
Feline Juvenile Gingivitis
Feline Juvenile Gingivitis is an intense, early-onset inflammatory response of the gums occurring shortly after the eruption of permanent teeth in young cats.
Manx Syndrome
Manx Syndrome is a hereditary collection of skeletal and neurological defects occurring in Manx cats due to the same gene mutation that results in their trademark taillessness.
Notoedric Mange
Notoedric mange is a highly contagious skin infestation in cats caused by the mite Notoedres cati, leading to intense itching, hair loss, and thickened skin.
Feline Oral Squamous Cell Carcinoma
Feline oral squamous cell carcinoma (OSCC) is an aggressive malignant tumor arising from the squamous epithelium of a cat's mouth, often presenting as a destructive lesion.
Feline Psycogenic Alopecia
Feline Psychogenic Alopecia is a behavioral dermatological condition where cats over-groom due to stress, anxiety, or environmental frustration, leading to self-inflicted hair loss.
Hyperaldosteronism
Feline hyperaldosteronism, or Conn’s syndrome, is an endocrine disorder caused by excessive production of the hormone aldosterone by the adrenal glands, leading to severe potassium depletion and hypertension.
Hip Dysplasia in Cats
Feline hip dysplasia is a hereditary skeletal abnormality where the ball-and-socket joint of the hip fails to develop correctly, leading to progressive laxity, secondary osteoarthritis, and chronic mobility impairment.
Restrictive Cardiomyopathy
Restrictive Cardiomyopathy (RCM) is a primary myocardial disease in cats characterized by increased stiffness of the ventricular walls, which prevents proper heart chamber filling and leads to congestive heart failure.
Eosinophilic Granuloma Complex
Feline Eosinophilic Granuloma Complex (EGC) is a collection of inflammatory skin conditions characterized by the overreaction of the immune system to various allergens or external triggers, resulting in unique lesion patterns.
Systemic Hypertension
Systemic hypertension in cats is a persistent elevation of blood pressure that frequently occurs as a secondary consequence of underlying diseases, leading to severe damage in target organs.
Feline Odontoclastic Resorptive Lesions
Feline Odontoclastic Resorptive Lesions (FORLs) are progressive, painful dental conditions where the tooth structure is gradually destroyed by the body's own cells, often requiring surgical extraction.
Peripheral Vestibular Disease
Peripheral Vestibular Disease in cats is a sudden-onset neurological disorder affecting the inner ear's balance sensors, causing profound disorientation, head tilting, and loss of equilibrium.
Feline Acne
Feline acne is a localized dermatological condition characterized by the formation of comedones, papules, and pustules on the chin and lips of cats due to follicular hyperkeratosis and sebum accumulation.
Miliary Dermatitis
Miliary dermatitis is a non-specific feline skin reaction pattern characterized by crusted, papular eruptions, usually secondary to underlying hypersensitivity.
Seizure Disorder
Seizure disorder in cats refers to recurrent, involuntary neurological episodes caused by abnormal electrical activity in the brain.
Indolent (Rodent) Ulcer
An indolent ulcer, part of the feline eosinophilic granuloma complex, is a chronic, non-healing ulceration, most commonly found on the upper lip of domestic cats.
Feline Cognitive Dysfunction
Feline Cognitive Dysfunction (FCD) is an age-related neurodegenerative condition in cats that results in progressive declines in memory, learning, spatial awareness, and social interaction.
Vitamin A Toxicity
Vitamin A toxicity, also known as hypervitaminosis A, is a serious nutritional condition in cats caused by excessive intake of preformed vitamin A, typically resulting from long-term consumption of raw liver.
Thromboembolism (Saddle Thrombus)
Feline Aortic Thromboembolism (FATE), often called saddle thrombus, is a critical cardiovascular emergency where a blood clot obstructs blood flow to the cat's hind limbs.
Feline Paraneoplastic Alopecia
Feline paraneoplastic alopecia is a rare, severe skin condition characterized by sudden, symmetrical hair loss that serves as a cutaneous marker for underlying internal malignancy, most commonly pancreatic or biliary carcinoma.
Unclassified Cardiomyopathy
Unclassified cardiomyopathy in cats refers to a group of heart muscle diseases where the specific underlying cause or precise subtype cannot be definitively identified through standard diagnostic methods.
Thiamine Deficiency
Thiamine deficiency, also known as Vitamin B1 deficiency, is a critical metabolic condition in cats resulting in severe neurological dysfunction if left untreated.
Urine Marking
Urine marking in cats is a natural communication behavior, often intensified by stress, social changes, or medical issues, and can be addressed through environmental management, behavioral modification, and veterinary intervention.
Heartworm-Associated Respiratory Disease
Heartworm-Associated Respiratory Disease (HARD) is a clinical syndrome in cats caused by immature and adult Dirofilaria immitis, leading to pulmonary vascular inflammation and airway hypersensitivity.
Feline Hyperesthesia Syndrome
Feline Hyperesthesia Syndrome is a complex neurological disorder characterized by episodes of extreme skin sensitivity, behavioral abnormalities, and involuntary muscle contractions along the dorsum.
Quadrigeminal Cyst
A quadrigeminal cyst, or supracollicular arachnoid cyst, is a fluid-filled intracranial space occupying lesion located in the midbrain region that can cause neurological dysfunction in felines.
Feline Aggression
Feline aggression is a complex behavioral manifestation involving defensive, predatory, or redirected hostility that requires systematic environmental and medical evaluation.
Feline Injection Site Sarcoma
Feline Injection Site Sarcoma (FISS) is an aggressive, malignant tumor that develops in the connective tissue of cats, typically at the site of a prior vaccination or medication injection.
Feline Infectious Peritonitis (FIP)
Feline Infectious Peritonitis (FIP) is a complex, immune-mediated disease in cats caused by a mutation of the feline enteric coronavirus.
Feline Urethral Obstruction
Feline Urethral Obstruction is a life-threatening medical emergency where a male cat is unable to void his bladder due to a physical blockage in the urethra.
Feline Mammary Carcinoma
Feline mammary carcinoma is a highly aggressive and frequently malignant tumor arising from the glandular tissue of the breast, requiring prompt surgical and clinical intervention.
Taurine Deficiency
Taurine deficiency is a serious nutritional condition in cats resulting from an inadequate intake of the essential amino acid taurine, leading to profound cardiovascular and ocular health failures.
Feline Overgrooming
Feline overgrooming, also known as psychogenic alopecia, is a behavioral condition where cats excessively lick, chew, or groom themselves, leading to hair loss and skin damage.
Feline Asthma
Feline asthma is a chronic inflammatory airway disease characterized by reversible bronchoconstriction, airway hyper-responsiveness, and mucus accumulation in the lower respiratory tract.
Feline House Soiling
Feline house soiling, a common behavioral issue, involves a cat eliminating outside its litter box, often stemming from medical problems, litter box issues, or stress.
Feline Idiopathic Cystitis
Feline Idiopathic Cystitis is a chronic, non-infectious inflammatory condition of the bladder often linked to stress, resulting in recurring lower urinary tract signs.
Eosinophilic Conjunctivitis
Eosinophilic conjunctivitis is an immune-mediated inflammatory condition of the feline ocular surface characterized by the infiltration of eosinophils into the conjunctival tissues.
High-Rise Syndrome
High-rise syndrome in cats refers to injuries sustained from falling from a significant height, often resulting in severe trauma.
Megacolon
Megacolon is a condition characterized by a severely enlarged and weakened colon that loses its ability to move waste, resulting in chronic, intractable constipation in cats.
Feline Corneal Sequestrum
Feline corneal sequestrum is a condition characterized by the formation of a dark, necrotic plaque on the cornea that results from chronic irritation or underlying pathology.
Feline Bronchial Disease
Feline Bronchial Disease (FBD) is a chronic inflammatory condition of the small airways in cats, often presenting as coughing and difficulty breathing, and is sometimes referred to as feline asthma.
Hypertensive Retinopathy
Feline hypertensive retinopathy is a vision-threatening ocular condition caused by sustained systemic high blood pressure, typically secondary to underlying systemic disease.
Feline Ocular Sarcoma
Feline ocular sarcoma, typically manifesting as post-traumatic intraocular sarcoma, is an aggressive, malignant tumor often occurring following chronic eye inflammation or trauma.
Mediastinal Mass
A mediastinal mass in cats refers to a tumor or enlargement located within the middle chest cavity that can compress vital organs and compromise respiratory function.
Toxicity (Lily)
Lily toxicity in cats is a life-threatening medical emergency caused by the ingestion of any part of plants within the Lilium or Hemerocallis genera, leading to rapid onset acute kidney injury.
Nasopharyngeal Polyp
A nasopharyngeal polyp is a benign, non-neoplastic growth that originates in the middle ear or eustachian tube, often extending into the nasal cavity or pharynx of cats.
Chylothorax (Feline)
Chylothorax is a rare but serious condition in cats where chyle, a milky lymphatic fluid, accumulates within the pleural space, impairing breathing and requiring clinical intervention.
Feline Cholangitis
Feline cholangitis is an inflammatory condition affecting the liver and bile ducts in cats, frequently involving secondary complications such as gallbladder disease or pancreatitis.
Feline Cutaneous Hemangiosarcoma
Feline cutaneous hemangiosarcoma is a malignant neoplasm arising from the vascular endothelial cells of the skin, characterized by aggressive localized invasion and a high potential for metastasis.
Feline Pancreatitis
Feline pancreatitis is an inflammatory condition of the pancreas that occurs when digestive enzymes become prematurely activated, leading to self-digestion of pancreatic tissue and systemic inflammation.
Feline Hepatic Lipidosis
Feline Hepatic Lipidosis, often called fatty liver disease, is a life-threatening metabolic condition characterized by the abnormal accumulation of triglycerides within liver cells in cats that have stopped eating.
Feline Odontoclastic Resorptive Lesion
Feline Odontoclastic Resorptive Lesions (FORL) are progressive, painful dental conditions where the tooth structure is gradually broken down and resorbed by the body.
Feline Eosinophilic Granuloma
Feline Eosinophilic Granuloma Complex (FEGC) is an immune-mediated inflammatory skin condition characterized by three distinct clinical patterns of granulomatous lesions in cats.
Feline Hypertensive Retinopathy
Feline hypertensive retinopathy is a vision-threatening condition caused by systemic high blood pressure, leading to retinal detachment and hemorrhage within the eye.
Feline Megacolon
Feline megacolon is a chronic condition characterized by the enlargement and impaired motility of the colon, leading to severe constipation and fecal retention in cats.
Feline Plasma Cell Pododermatitis
Feline plasma cell pododermatitis is a rare, immune-mediated inflammatory skin condition affecting the footpads of cats, often resulting in a characteristic 'puffy' or 'spongy' appearance of the paws.
Feline Mast Cell Tumor
Feline mast cell tumors are a common type of skin cancer in cats, originating from mast cells, which play a role in allergic reactions and immune responses.
Feline Primary Hyperaldosteronism
Feline Primary Hyperaldosteronism, or Conn’s syndrome, is an endocrine disorder characterized by the excessive production of the hormone aldosterone by the adrenal glands, leading to severe electrolyte imbalances and systemic hypertension.
Feline Intestinal Adenocarcinoma
Feline intestinal adenocarcinoma is a rare, aggressive form of primary malignant neoplasia arising from the glandular epithelium of the small or large intestine.
Lymphocytic Cholangitis
Lymphocytic Cholangitis is a progressive, immune-mediated inflammatory liver condition in cats characterized by the infiltration of lymphocytes into the bile ducts.
