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7-Day Fever – SEE: Leptospirosis
Abnormal Reflexes – The inability or difficulty of muscles to respond in a normal fashion when stimulated.
Abnormal Swallowing – SEE: Dysphagia
Abrasion – An injury that has occurred in which one or more of the topmost layers of the skin are scraped away. Also called a Scrape.
Abscess – A localized infection, usually a lesion filled with pus.
Abscess, Cat Bite – A puncture wound caused by a cat bite that has sealed over and become infected and filled with pus.
Abscess, Chronic – A persisting localized infection, usually a lesion filled with pus.
Absence of Bowel Sounds – The absence of bowel sounds is symptomatic of greatly decreased peristaltic movement and or completely nonfunctioning bowels, which can be caused by an intestinal obstruction.
Absence of Reflex – Absence of reflex means the muscles do not respond under stimulation and can be an indicator of several medical conditions including myopathy, neuropathy, spondylosis, just to name a few.
Acanthosis Nigricans – A rare disease exclusive to dachshunds. A black or brown colored velvety hyperpigmentation or melanosis of the skin usually found on the neck or in body folds such as the armpits or groin. Followed by lesions and hair loss.
Acariasis – The condition of being overridden with parasites such as mites or ticks.
Acne – A skin disease characterized by areas of Seborrhea (scaly red skin), Comedones (blackheads or whiteheads), papules (pinheads), pustules (pimples), nodules (large papules) and possibly scarring, usually on the chin, lips and muzzle of animals. All cats are susceptible. Dog breeds affected are Boxers, English Bulldogs, Doberman Pinschers and Great Danes.
Acne, Pustular – SEE: Pustular Acne
Acral Lick Dermatitis – SEE: Acral Lick Granuloma
Acral Lick Granuloma – A self-inflicted skin condition caused by a desire to continuously lick a small area of the body. It starts out as a tiny sore spot but, after constant licking and chewing, the thickened, scarred, irritated skin spreads and begins oozing. Possible causes due to psychological disorder, stress, boredom or obsessive-compulsive disorder. Also called Lick Granuloma.
Achrochordon – SEE: Skin Tag
Acute Gastritis – SEE: Gastritis, Acute
Acute Hemorrhagic Pancreatitis – SEE: Pancreatitis
Acute Hemorrhagic Pancreatitis Necrosis – SEE: Pancreatitis
Acute Pancreatic Necrosis – SEE: Pancreatitis
Acute Pancreatitis – SEE: Pancreatitis
Allergic Dermatitis – SEE: Dermatitis, Allergic
Allergic Contact Dermatitis – SEE: Dermatitis, Allergic, Contact
Allergic Inhalant Dermatitis – SEE: Dermatitis, Allergic, Inhalant
Alopecia – A condition where hair loss occurs, resulting either in complete or partial baldness.
Angioedema – A swelling beneath the skin similar to hives. May be caused by an allergic reaction. Also called Angioneurotic Edema.
Angioneurotic Edema – SEE: Angioedema
Animal Bite – A wound caused by the bite of another animal.
Anisocoria – A condition in which the pupils of the eyes are different sized.
Asteroid Hyalosis – A degenerative condition of the eye characterized by small white opacities made up of calcium, phosphates and phospholipids in the vitreous humor, resembling a star field or asteroid field. Common to dogs and chinchillas. Cause unknown, though known to be associated with diabetes mellitus, hypertension or hypercholesterolemia.
Ataxia – A neurological condition in which there is a gross lack of coordination of muscle movements. Also called Dystaxia.
Atopic Syndrome – SEE: Atopy
Atopy – A predisposition toward developing allergies or hypersensitivity May be hereditary, but contact with the allergen must occur before the hypersensitivity or allergic reaction can occur. Also called Atopic Syndrome.
Aural Hematoma – A mass filled with blood, or pooling of blood, found in the outer ear.
Bacterial Gastroenteritis – SEE: Gastroenteritis, Bacterial
Bacterial Overgrowth – A disorder wherein excessive bacterial growth takes over the small intestine. Symptoms include bloating, diarrhea, nausea and vomiting. Treated with antibiotics. Also called Small Bowel Bacterial Overgrowth Syndrome (SBBOS) or Small Intestinal Bacterial Overgrowth (SIBO).
Bedsores – Lesions or injuries to the skin caused by unrelieved pressure, friction, humidity, etc., from lying in one position for two long. Also called Pressure Ulcers or Decubitus Ulcers.
Bernard-Horner Syndrome – SEE: Horner’s Syndrome
Black Fly Bites – Bites caused by black flies. Can often cause allergic reactions, filarial worms, onchocerciasis, protozoan parasites, leucocytozoonosis and encephalistis.
Black Jaundice – SEE: Leptospirosis
Bloat – A condition in which the stomach becomes overstretched by excessive gas content. The second leading killer of dogs, after cancer. Also called Torsion, Gastric Torsion and Gastric Dilatation-Volvulus (GDV), Meteorism.
Bloody Diarrhea – SEE: Gastroenteritis, Hemorrhagic (HGE)
Blowfly Strike – SEE: Myiasis
Bowel Obstruction – Blockage of the bowels.
Brachial Plexus Injury – An injury to the network of nerves called the brachial plexus, which carry signals from the C5-C8 and T1 areas of the spine to the muscles and skin of the arm, hand, chest and shoulder. Can be caused by inflammation, shoulder trauma or tumors.
Brain Damage – The degeneration or destruction of brain cells due to a wide range of internal and external factors, including traumatic brain injury, physical trauma, head injury. Also called Brain Injury.
Brain Edema – SEE: Cerebral Edema
Brain Hemorrhage – SEE: Cerebral Hemorrhage
Brain Injury – SEE: Brain Damage
Brain Swelling – SEE: Cerebral Edema
Burn – A type of injury to flesh caused by chemicals, electricity, friction, heat, light or radiation. Most burns affect only the skin, but sometimes muscles and bones can also be injured.
Calcinosis Cutis – A group of disorders in which calcium deposits form in the skin.
Calicivirus – A virus of the family Caliciviridae that causes disease in cats, leading to respiratory infection. Also called Feline Calicivirus (FCV).
Calluses – Along with Corns, calluses are thickened layers of skin caused by repeated friction or pressure. Skin can also be flaky and dry. Usually found on hands and feet.
Campylobacter Sp. – A bacteria that is one of the most common causes of diarrheal illnesses.
Canefield Fever – SEE: Leptospirosis
Canicola Fever – SEE: Leptospirosis
Canine Coronavirus – A virus of the coronaviridae family which causes highly contagious intestinal diseases in dogs. Spread through the feces of infected dogs. Causes diarrhea, dehydration.
Canine Distemper – A disease which some veterinarians believe is the single greatest disease threat to dogs. Transmitted through contact with mucous and watery secretions discharged from the eyes and noses of infected dogs or urine and fecal matter.
Canine Ehrlichiosis – SEE: Ehrlichiosis
Canine Herpesvirus (CHV) – A virus which affects the reproductive organs of adult dogs and causes fatal hemorrhagic disease in newborn puppies. Also known as Fading Puppy Syndrome.
Canine Infectious Hepatitis – A highly contagious disease with symptoms ranging from slight fever and congestion of the mucous membranes to severe depression, leucopenia and bleeding. Affects liver, lungs, spleen, kidneys and eyes. Caused by canine adenovirus type-1 (CAV-1). Transmitted by contact with saliva, urine or feces of infected dogs. Also called Infectious Canine Hepatitis (ICH).
Canine Parainfluenza – A highly contagious respiratory disease. Often confused with Kennel Cough. Transmitted through contact with nasal secretions of infected dogs. Symptoms include a prolonged cough of 10-21 days and runny nasal discharge.
Canine Parvovirus – A highly contagious viral disease which attacks the intestinal tract, white blood cells and sometimes the heart muscle. Spread by dog-to-dog contact. Symptoms include depression, loss of appetite, severe diarrhea and vomiting.
Cat Bite Abscess – SEE: Abscess, Cat Bite
Cat Plague – SEE: Feline Panleukopenia Virus (FPV)
Cataplexy – SEE: Narcolepsy
Cauda Equina Syndrome (CES) – A condition when the nerve roots are compressed, causing limited movement or paralyzation of lower body. Can trigger loss of bladder and bowel control. Can be caused by ruptured disk, infection, fracture, tumor, violent impact or heredity.
Cellulitis – A common skin infection caused by bacteria. Includes inflammation of connective tissue as well as dermal and subcutaneous layers of skin.
Cerebral Edema – An accumulation of excessive fluid in the brain. Also called Brain Edema, Brain Swelling, Swelling of the Brain, Wet Brain.
Cerebral Hemorrhage – A type of stroke caused by an artery in the brain bursting leading to localized bleeding in the surrounding tissues, killing brain cells. Also called a Brain Hemorrhage.
Cerumen – SEE: Ear Wax
Chlamydia – A sexually transmitted disease caused by the bacteria Chlamydia trachomatis.
Chronic Abscess – SEE: Abscess, Chronic
Chronic Gastritis – SEE: Gastritis, Chronic
Chronic Hemorrhagic Pancreatitis – SEE: Pancreatitis
Chronic Hemorrhagic Pancreatitis Necrosis – SEE: Pancreatitis
Chronic Pancreatic Necrosis – SEE: Pancreatitis
Chronic Pancreatitis – SEE: Pancreatitis
Circling Disease – A life-threatening disease caused by the bacteria Listeria monocytogenes. Causes restlessness, loss of appetite, fever and endlessly circling, Encephalitis or meningoencephalitis, diarrhea, and death. Also called Listeriosis.
Claude Bernard-Horner Syndrome – SEE: Horner’s Syndrome
Coffee Nose – SEE: Dermatitis, Nasal Solar (NSD)
Colitis – A swelling or inflammation of the large intestines.
Colitis, Acute - A swelling or inflammation of the large intestines that has a rapid onset.
Colitis, Allergic – A swelling or inflammation of the large intestines, caused by an allergic reaction, usually to something ingested.
Colitis, Bacterial – A swelling or inflammation of the large intestines, caused by bacteria.
Colitis, Chronic - A swelling or inflammation of the large intestines that has a persistent or long-lasting nature.
Colitis, Foreign Body – A swelling or inflammation of the large intestines, caused by a foreign body being ingested.
Colitis, Inflammatory – A group of inflammatory conditions in the small intestines and colon. Also called Inflammatory Bowel Disease (IBD).
Colitis, Neurogenic, Spastic – SEE: Irritable Bowel Syndrome (IBS)
Colitis, Ulcerative – A chronic colitis affecting the large intestines.
Collie Nose – SEE: Dermatitis, Nasal Solar (NSD)
Coma – A state of unconsciousness lasting more than six hours from which the patient cannot be woken, fails to respond to stimuli and has no voluntary actions.
Comedones – Whiteheads or blackheads. SEE ALSO: Acne.
Concussion – A traumatic brain injury (TBI) caused by a sudden blow to the head or body which can result in a bad headache, altered levels of alertness or unconsciousness. Can affect memory, judgement, speech, coordination, etc.
Constipation – Bowel movements that are infrequent or hard to pass. Severe cases include Obstipation (complete failure to pass gas or stools) and Fecal Impaction or Bowel Obstruction. Also known as Costiveness, Dyschezia, Dyssynergic Defaecation.
Convulsions – A condition in which body muscles contract and relax rapidly and repeatedly, causing an uncontrollable shaking.
Coon Dog Paralysis – SEE: Polyradiculoneuritis
Coon Hound Paralysis – SEE: Polyradiculoneuritis
Coondog Paralysis – SEE: Polyradiculoneuritis
Coonhound Paralysis – SEE: Polyradiculoneuritis
Cornification – SEE: Keratinization Defect
Corns – SEE: Calluses
Costiveness – SEE: Constipation
Cranial Nerve Deficit – A condition in which one of the cranial nerves is hampered in some way.
Cranial Trauma – Any blow to the head or injury to the skull. This can be something as simple as just a bump to the head or something more serious.
Dandruff – The shedding of dead skin cells from the scalp.
Deafness – A complete or partial loss of hearing.
Decubitus Ulcers – SEE: Bedsores
Degenerative Disc Disease – One of the most common causes of lower back pain. Not really a disease, but a term used to describe normal changes in the discs of the spine due to aging. Caused by osteoarthritis, herniated discs, spinal stenosis, etc.
Degenerative Myelopathy – First identified in 1973, this is a progressive genetic spinal cord disease involving degeneration of the insulation around nerves as well as loss of the actual fibers. Symptoms include a wobbly walk or dragging of the knuckles, eventually getting worse to where the dog cannot walk. It affects mostly German Shepherds. Other breeds affected include the Belgium Shepherd, Great Pyrenees, Old English Sheep Dog, Rhodesian Ridgeback and Weimeraner.
Degloving Injury – An injury in which the skin and subcutaneous tissue of the paw are torn off in a glove-like fashion, leaving the musculature intact.
Dementia – A chronic or persistent disorder of the brain, caused by injury, exposure to toxins or disease. Symptoms include memory disorders, personality changes, etc. Also called Senility.
Demyelination – A condition where myelin, the white, fatty tissue surrounding nerve endings, is lost or destroyed.
Dermatitis – A condition in which the skin becomes inflamed.
Dermatitis, Acral Lick – SEE: Acral Lick Granuloma
Dermatitis, Allergic – A condition in which the skin becomes inflamed due to allergies.
Dermatitis, Allergic, Contact – A condition in which the skin becomes inflamed due to skin contact with allergens.
Dermatitis, Allergic, Inhalant – A condition in which the skin becomes inflamed due to inhaled contact with allergens.
Dermatitis, Flea Allergy – A condition in which the skin becomes inflamed due to allergies caused by contact with fleas.
Dermatitis, Flea Bite – A condition in which the skin becomes inflamed due to allergies caused by flea bites.
Dermatitis, Flea Collar – A condition in which the skin becomes inflamed due to allergies caused by flea collars.
Dermatitis, Fly Bite – A condition in which the skin becomes inflamed due to allergies caused by fly bites.
Dermatitis, Food Allergy – A condition in which the skin becomes inflamed due to allergies caused by food.
Dermatitis, Hormonal – A condition in which the skin becomes inflamed due to hormones.
Dermatitis, Intertrigenous – A condition in which the skin becomes inflamed in skin folds or wrinkled areas, the crotch, armpits, neck, ear folds, etc. Also called Skin Fold Dermatitis.
Dermatitis, Miliary - A condition in which the skin becomes covered in crusty bumps, often caused by an allergic reaction or from flea bites. Usually found in cats.
Dermatitis, Moist - A condition in which the skin becomes inflamed due to bacteria. Also called Hot Spots. Symptoms are localized, moist, red areas of skin.
Dermatitis, Nasal Solar (NSD) – A condition in which the skin of the nose becomes inflamed due to exposure to the sun. Causes crusty lesions on the nose and face. Also called Coffee Nose, Collie Nose.
Dermatitis, Paronychial – SEE: Paronychia
Dermatitis, Perivulvar – A condition in which the skin becomes inflamed in the area of the genitalia.
Dermatitis, Pruritic – SEE: Acral Lick Granuloma
Dermatitis, Seborrheic – SEE: Seborrhea
Dermatitis, Skin Fold – SEE: Dermatitis, Intertrigenous
Dermatitis, Vitamin A Responsive – A disorder of the skin causing skin lesions. It is often breed-related or genetic, usually affecting American Cocker Spaniels. Called such because it seems to respond to Vitamin A treatment.
Dermatitis, Zinc Responsive – A disorder of the skin causing skin lesions. It is often breed-related or genetic. Seen in Siberian Huskies and Australian Alpacas. Responds well to Zinc treatment.
Dermoid Cyst – A saclike growth, or usually benign tumor, present at birth, that contains things like hair, fluid, teeth or skin glands. Also called a Mature Teratoma.
Diarrhea – A condition in which the feces are discharged from the body frequently and loosely, usually in liquid or mostly liquid form.
Diarrhea, Acute – A condition in which the feces are discharged from the body frequently and loosely, usually in liquid or mostly liquid form. Rapid onset, usually caused by bacteria, virus or parasite.
Diarrhea, Chronic – A condition in which the feces are discharged from the body frequently and loosely, usually in liquid or mostly liquid form. Long lasting.
Disc Disease – SEE: Degenerative Disc Disease
Dry Skin – SEE: Xerosis
Dyschezia – SEE: Constipation
Dysphagia – The medical term for difficulty in swallowing. Usually a problem with the throat or esophagus. Can be caused by stroke, brain injury, spinal cord injury, other medical problems, blockages, tumors, etc. Also called Abnormal Swallowing.
Dyssynergic Defaecation – SEE: Constipation
Dystaxia – SEE: Ataxia
Ear Discharge – SEE: Otorrhea
Ear Odor – A foul smell emanating from the ears. Can be caused by Ear Discharge, infection, tumor, etc.
Ear Scratching – When an animal scratches its ears excessively or chronically, it is usually the sign of something more serious, such as mites, ticks, infection, inflammation, etc. Can lead to other diseases or problems if untreated.
Ear Wax – A specialized kind of sweat that manifests itself as a yellow, waxy substance in the ear canal. Can be impacted or be secreted in large quantities. Can lead to other problems. Also called Cerumen.
Earwax – SEE: Ear Wax
Ehrlichiosis – A bacteria spread by tick bites that cause disease in dogs and cats. Also called Rickettsiosis, Hemorrhagic Fever, Typhus, Tracker Dog Disease, Tropical Canine Pancytopenia.
Emesis – SEE: Vomiting
Encephalitis – An acute inflammation of the brain and sometimes the spinal cord, caused by viral infection or allergic reactions or other diseases.
Encephalopathy – Any type of disease of the brain.
Enteritis – An inflammation of the intestines, usually the small intestines, and accompanied by diarrhea.
Enteropathy, Protein-Losing – SEE: Protein-Losing Enteropathy
Eosinophilic Gastroenteritis – SEE: Gastroenteritis, Eosinophilic (EG)
Eosinophilic Keratitis – SEE: Keratitis, Eosinophilic
Epidermal Inclusion Cyst – SEE: Epidermoid Cyst
Epidermoid Cyst – The most common cutaneous cysts, usually benign. Also called Epidermal Inclusion Cyst, Infundibular Cyst, Keratin Cyst.
Epilepsy, Idiopathic – A condition of frequent or recurring seizures that are not of systemic origin.
Epithelial Tag – SEE: Skin Tag
Erythema – A condition that causes redness of the skin.
Esophagitis – An inflammation, irritation or swelling of the esophagus. Can be caused by allergies, infection or other diseases. Symptoms include difficult and painful swallowing, pain the throat, heartburn, mouth sores, nausea, etc.
Facial Nerve Paralysis – The paralysis of anything innervated by the facial nerve. Symptoms include Bell’s Palsy, twitches, drooping muscles, etc.
Fading Puppy Syndrome – SEE: Canine Herpesvirus (CHV)
Fecal Impaction – SEE: Constipation
Fecal Incontinence – The inability to control excretions from the bowels.
Fecal Impaction – A condition in which a dry, hard stool is stuck in the rectum or bowels, preventing normal discharge of feces. Symptoms include cramping, bloating.
Feline Ataxia – SEE: Feline Panleukopenia Virus (FPV)
Feline Calicivirus (FCV) – SEE: Calicivirus
Feline Coronavirus (FCoV) – An RNA virus that infects cats; part of a larger family of virus that also affects humans and pigs. Comes in two forms: Feline Enteric Coronavirus (FECV) and Feline Infectious Peritonitis Virus (FIPV), which causes Feline Infectious Peritonitis (FIP), which is the leading infectious cause of death in cats.
Feline Distemper – SEE: Feline Panleukopenia Virus (FPV)
Feline Ehrlichiosis – SEE: Ehrlichiosis
Feline Eosinophilic Granuloma – SEE: Granuloma, Feline Eosinophilic (EGC)
Feline Eosinophilic Keratitis (FEK) – SEE: Keratitis, Eosinophilic
Feline Herpes Virus – SEE: Feline Viral Rhinotracheitis (FVR)
Feline Immunodeficiency Virus (FIV) – First discovered in 1986, it is a retrovirus in the same family of viruses as Feline Leukemia Virus (FeLV) and Human Immunodeficiency Virus (HIV). It attacks the immune system, preventing the cat from being able to fight off infections and cancers.
Feline Infectious Anemia (FIA) – An infectious disease caused by a group of red blood cells called haemoplasmas that cause anemia, as well as other symptoms.
Feline Infectious Enteritis – SEE: Feline Panleukopenia Virus (FPV)
Feline Infectious Peritonitis (FIP) – The leading infectious cause of death among cats, it is an inflammation of white blood cells (aka Vasculitis).
Feline Leukemia Virus (FeLV) - A retrovirus in the same family of viruses as Feline Immunodeficiency Virus (FIV) and Human Immunodeficiency Virus (HIV).
Feline Panleukopenia Virus (FPV) – A viral infection affecting all feline species. Highly contagious and can be fatal. Also called Feline Infections Enteritis, Feline Distemper, Feline Ataxia or Cat Plague.
Feline Viral Rhinotracheitis (FVR) – The most serious of the upper respiratory diseases in felines, it is an infection caused by a virus. Also called Feline Herpes Virus.
Fibroepithelial Polyp – SEE: Skin Tag
Fistula – An abnormal connection or passageway between two epithelium-lined organs or vessels that do not normally have a connection, caused by inflammation due to surgery or injury.
Flatulence – The expulsion of gas through the rectum.
Flea Allergy Dermatitis – SEE: Dermatitis, Flea Allergy
Flea Bite Dermatitis – SEE: Dermatitis, Flea Bite
Flea Collar Dermatitis – SEE: Dermatitis, Flea Collar
Fly Bite Dermatitis – SEE: Dermatitis, Fly Bite
Fly-Blown – SEE: Myiasis
Fly Strike – SEE: Myiasis
Flystrike – SEE: Myiasis
Folliculitis – An inflammation of the hair follicles. Symptoms include itching, pimples, pustules or rash near the follicles. Can occur anywhere except on the palms of the hands or the soles of the feet.
Food Allergy Dermatitis – SEE: Dermatitis, Food Allergy
Fort Bragg Fever – SEE: Leptospirosis
Foxtail – A spiky cluster of grass that can get caught in the animal’s skin, like barbs, and cause infection.
Frostbite – A condition where damage is caused to the skin and other tissues due to extreme cold. Can lead to gangrene and loss of mobility or loss of digits and limbs.
Furunculosis – A recurring boil or painful pus-filled bump.
Gangrene – Necrosis of a body part caused by poor circulation. Often results in the loss of digits or limbs.
Gastric Dilation – SEE: Bloat
Gastric Dilation-Volvulus (GDV) – SEE: Bloat
Gastric Flu – SEE: Gastroenteritis
Gastric Torsion – SEE: Bloat
Gastric Perforation – SEE: Gastrointestinal Perforation
Gastric Ulcer – A peptic ulcer, or defect in the lining, of the stomach.
Gastric Volvulus – A very rare, abnormal rotation of the stomach of more than 180 degrees, causing a closed loop obstruction.
Gastritis – An inflammation of the lining of the stomach.
Gastritis, Acute – An inflammation of the lining of the stomach that lasts a short period of time.
Gastritis, Chronic – An inflammation of the lining of the stomach that lingers a long period of time or is recurring.
Gastroenteritis – An irritation and/or inflammation of the stomach and small intestine. Also known as Gastric Flu, Stomach Flu, Stomach Virus.
Gastroenteritis, Bacterial – An irritation and/or inflammation of the stomach and small intestine caused by bacteria.
Gastroenteritis, Eosinophilic (EG) – One member of a family of diseases that include eosinophilic colitis, enteritis, esophagitis and gastritis, collectively called eosinophilic gastrointestinal disorders. Characterized by food-related reactions, infiltration of certain white blood cells and an increase in the number of eosinphils in the blood. Symptoms include nausea, vomiting, abdominal pain and diarrhea.
Gastroenteritis, Hemorrhagic (HGE) – A disease of dogs characterized by sudden vomiting and bloody diarrhea. Also called Bloody Diarrhea.
Gastroenteritis, Viral – An irritation and/or inflammation of the stomach and small intestine caused by a virus.
Gastrointestinal Foreign Body – When something other than food is present in the gastrointestinal tract.
Gastrointestinal Perforation – A perforation anywhere along the gastrointestinal tract. Can be caused by injury, something ingested or leaking gastric acid. Also known as a Gastric Perforation or Perforated Ulcer.
Granuloma, Acral Lick – SEE: Acral Lick Granuloma
Granuloma, Feline Eosinophilic (EGC) – A common inflammatory skin disease of cats. Symptoms are a group of lesions on the skin and in the oral cavity and mucocutaneous junctions.
Granuloma, Interdigital – A common inflammatory skin disease of cats between the digits.
Granulomatous Meningoencephalitis (GME) – An inflammatory disease of the central nervous system of dogs and, rarely, cats.
Hair Loss – SEE: Alopecia
Hairball – A small collection of hair or fur formed in the stomach of animals that is occasional vomited up when it becomes too big. Mostly affects cats and rabbits.
Hematochezia – The passage of fresh blood through the anus, usually in or with stools.
Hemiplegia – A condition in which only one side of the body becomes paralyzed.
Hemophilia A – A hereditary bleeding disorder caused by a lack of blood clotting factor VIII.
Hemophilia B – A hereditary bleeding disorder caused by a lack of blood clotting factor IX.
Hemorrhagic Enteritis – Inflammation of the intestine accompanied by bleeding in the intestinal tract.
Hemorrhagic Fever – SEE: Ehrlichiosis
Hemorrhagic Gastritis – A condition where there are tiny, pinpoint hemorrhages on the surface lining of the stomach.
Hemorrhagic Gastroenteritis – SEE: Gastroenteritis, Hemorrhagic (HGE)
Hemorraghic Pancreatitis Necrosis, Acute – SEE: Pancreatitis
Hemorraghic Pancreatitis Necrosis, Chronic – SEE: Pancreatitis
Herpes Simplex – A viral disease caused by Herpes Simplex Virus Type 1 (HSV-1) and Type 2 (HSV-2). Causes cold sores (herpes labialis or oral herpes), genital herpes, Keratitis, cerebral herpes (which causes encephalitis), Meningitis, Bell’s Palsy and more.
Hormonal Dermatitis – SEE: Dermatitis, Hormonal
Horner Syndrome – SEE: Horner’s Syndrome
Horner’s Syndrome – A condition in which there is drooping of the eyelid (ptosis) and constriction of the pupils (miosis). Also called Horner Syndrome, Bernard-Horner Syndrome, Claude Bernard-Horner Syndrome or Oculosypathetic Palsy.
Hot Spots – SEE: Dermatitis, Moist
Hydrocephalus – A condition in which fluid is found inside in the brain. Also called Water on the Brain.
Hygroma - A discrete, fluid-filled sac found on the joints. Usually caused from sitting on a hard surface. Treated by draining fluids.
Hyperesthesia – A condition in which there is an abnormal increase in sensitivity to stimuli of the senses.
Hyperkeratosis – A thickening of the outermost layer of skin often associated with a qualitative abnormality of the keratin.
Idiopathic Epilepsy – SEE: Epilepsy, Idiopathic
Impetigo – A common bacterial skin infection consisting of blisters filled with pus.
Incontinence, Fecal – SEE: Fecal Incontinence
Incontinence, Urinary – SEE: Urinary Incontinence
Incoordination – Lack of coordination, or the inability to use different parts of the body together normally.
Infectious Anemia, Feline – SEE: Feline Infectious Anemia
Infectious Canine Hepatitis (ICH) – SEE: Canine Infectious Hepatitis
Inflammation of the Pinna – Inflammation of a projecting body part, such as a feather or a wing or a fin.
Inflammatory Bowel Disease (IBD), Eosinophilic – A condition in which the intestine is chronically infiltrated by inflammatory cells. Eosinophils cause the second most common form of IBD.
Inflammatory Bowel Disease (IBD), Lymphocytic/Plasmacytic - A condition in which the intestine is chronically infiltrated by inflammatory cells. Lymphocytes and plasmacytes cause the most common form of IBD.
Infundibular Cyst – SEE: Epidermoid Cyst
Injury, Brachial Plexus – SEE: Brachial Plexus Injury
Insect Bite/Sting – A bite or a sting caused by an insect or scorpion.
Interdigital Granuloma – SEE: Granuloma, Interdigital
Intervertebral Disc Disease – SEE: Disc Disease
Intussusception – A medical disorder in which part of the intestine has slipped into the next part, much like a telescope.
Irritable Bowel Syndrome (IBS) – A chronic gastrointestinal disorder in which the rhythmic contraction of the digestive tract is affected. Possibly due to problems with communication between the autonomous nervous system and the muscles of the large intestines. Symptoms include constipation and diarrhea. Also called Spastic Colitis.
Itching – A skin tingling or irritation that makes you want to scratch. Could be caused by dry skin, fungus, sunburn, bites, stings, etc.
Kennel Cough – A highly contagious canine illness characterized by inflammation of the upper respiratory system. Can be caused by viral or bacterial infection.
Keratin Cyst – SEE: Epidermoid Cyst
Keratinization Defect – Keratinization is the conversion of squamous epithelial cells into a horny material, such as nails. Also called Cornification. Present in many diseases, including Seborrhea, Vitamin A Responsive Dermatosis, Acne, etc.
Keratitis – A condition in which the cornea of the eye becomes inflamed. Affects mostly cats and horses.
Keratitis, Eosinophilic – A condition in which the cornea of the eye becomes inflamed, due to the presence of eosinophils.
Keratitis, Pigmentary – A condition in which the cornea of the eye becomes inflamed, due to the presence of pigment or melanin being deposited in large quantities or in certain areas.
Keratocanthoma – A common skin tumor with a low chance of metastasizing believed to originate in the neck of hair follicles.
Laceration – A cut in the skin.
Leptospirosis – A contagious bacterial disease that causes enlargement of the spleen, jaundice and nephritis. Also called Weil’s Syndrome, Canicola Fever, Canefield Fever, Nanukayami Fever, 7-Day Fever, Rat Catcher’s Yellows, Fort Bragg Fever, Black Jaundice, Pretibial Fever.
Lichen Simplex Chronicus – SEE: Neurodermatitis
Lick Granuloma – SEE: Acral Lick Granuloma
Listeriosis – SEE: Circling Disease
Lyme Disease – An infectious disease spread primarily by the bite of a tick. It can mimic flu-like symptoms of chronic arthritis and can cause heart complications, kidney problems and joint damage.
Malabsorption Syndrome – An alteration in the ability to absorb nutrients adequately from the intestines into the bloodstream.
Mature Teratoma – SEE: Dermoid Cyst
Megacolon – An abnormal dilation of the colon, often accompanied by a paralysis of peristaltic movements in the bowels.
Megaesophagus – An abnormal dilation of the esophagus, often accompanied by a paralysis of peristaltic movements in the esophagus.
Melena – Black, tarry feces associated with gastrointestinal hemorrhage.
Meningitis – A condition in which the meninges – the connective tissue around the brain and spine – become inflamed.
Meteorism – SEE: Bloat
Moist Dermatitis – SEE: Dermatitis, Moist
Myasthenia Gravis – An autoimmune neuromuscular disease leading to fluctuating muscle weakness and fatigue.
Myiasis – An infection caused by parasitic fly larvae feeding on the tissue. Also called Fly Strike, Flystrike, Blowfly Strike, Fly-Blown.
Myoclonus – A brief, involuntary twitching of a muscle or group of muscles.
Myotonia – The delay in the relaxation of muscles after contraction.
Nanukayami Fever – SEE: Leptospirosis
Narcolepsy – A nervous system disorder which causes excessive drowsiness three or four times a day and frequent sleep attacks that can last around 15 minutes or longer. Experts believe it is caused by reduced amounts of a protein called hypocretin, which is made in the brain. It tends to be genetic and runs in families. Also called Cataplexy.
Nasal Solar Dermatitis (NSD) – SEE: Dermatitis, Nasal Solar (NSD)
Neospora Caninum – A coccidian protozoa that infects an animal and causes neosporosis. Usually from raw food.
Neurodermatitis – A skin disorder involving chronic itching and scratching. Also called Lichen Simplex Chronicus.
Neurogenic Bladder – A loss of bladder control due a dysfunction within the central nervous system, because of the inability of the bladder muscles to flex or contract. SEE ALSO: Urinary Incontinence.
Neurogenic Spastic Colitis – SEE: Irritable Bowel Syndrome (IBS)
Neuropathy, Peripheral – SEE: Peripheral Neuropathy
Neurotoxicity Syndrome – Occurs when exposure to artificial or natural toxic substances – called neurotoxins – alters the normal activity of the nervous system.
Nystagmus – A condition of involuntary eye movement that may result in reduced or limited vision.
Obstipation – Failure to pass stools or gas. SEE ALSO: Constipation
Oculosypathetic Palsy – SEE: Horner’s Syndrome
Otitis Externa – Inflammation of the external parts of the ear.
Otitis Externa, Acute – Inflammation of the external parts of the ear that has a rapid onset.
Otitis Externa, Allergic – Inflammation of the external parts of the ear, caused by allergies.
Otitis Externa, Bacterial – Inflammation of the external parts of the ear, caused by bacteria.
Otitis Externa, Chronic – Inflammation of the external parts of the ear that has is long-term or recurring.
Otitis Externa, Fungal – Inflammation of the external parts of the ear, caused by fungus.
Otitis Externa, Mixed – Inflammation of the external parts of the ear that is mixed bacterial and fungal in nature.
Otitis Externa, Wax Impaction – Inflammation of the external parts of the ear caused by packed ear wax.
Otitis Externa, Yeast – Inflammation of the external parts of the ear, caused by yeast.
Otitis Interna – Inflammation of the inner parts of the ear.
Otitis Media – Inflammation of the middle parts of the ear.
Otorrhea – Drainage of some substance – such as blood, ear wax, fluid, pus, etc. – from the ear. Also called Ear Discharge.
Pancreatic Necrosis – SEE: Pancreatitis
Pancreatic Necrosis, Acute – SEE: Pancreatitis
Pancreatic Necrosis, Chronic – SEE: Pancreatitis
Pancreatitis – The two types of pancreatitis are mild (acute) and severe (chronic). Caused by either inflammation or necrosis. Also called Acute Pancreatitis, Chronic Pancreatitis, Acute Hemorrhagic Pancreatitis, Chronic Hemorraghic Pancreatitis, Acute Hemorrhagic Pancreatitis Necrosis, Chronic Hemorrhagic Pancreatitis Necrosis, Acute Pancreatic Necrosis, Chronic Pancreatic Necrosis.
Pancreatitis, Acute – SEE: Pancreatitis
Pancreatitis, Acute Hemorraghic – SEE: Pancreatitis
Pancreatitis, Chronic – SEE: Pancreatitis
Pancreatitis, Chronic Hemorraghic – SEE: Pancreatitis
Panleukemia – SEE: Feline Panleukopenia Virus (FPV)
Papilloma – A fleshy, lobed growth of the skin.
Paralysis – A condition in which an animal experiences full or partial loss of motor functions.
Paresis – A slight paralysis causing an animal’s motor functions to be affected.
Paresis, Hind Limb(s) – A slight paralysis causing an animal’s hind limbs’ motor functions to be affected.
Paronychia – A condition in which the skin becomes inflamed around the nails.
Perforated Ulcer – SEE: Gastrointestinal Perforation
Perforated Tympanic Membrane – SEE: Tympanic Membrane Perforation
Perianal Fistula – A tunnel like formation in the skin and deeper tissues that surround the anus.
Peripheral Neuropathy – A nerve disorder affecting multiple peripheral nerves, which are more exposed to the elements that enter the body, making them more susceptible to physical injury and toxic damage. Can be caused by Demyelination (loss of the fatty lipid material which acts as an insulator coat on nerve fibers) or axonal degeneration (nerve fibers degenerate within the myelin). Affects autonomic, enteric and somatic systems. Also called Polyneuropathy.
Pinna Inflammation – SEE: Inflammation, Pinna
Pododermatitis – An extremely painful chronic granulomatous condition resulting from ulcerative lesions and necrosis of the tissue on the plantar or heel. Also called Bumblefoot.
Polyneuropathy – SEE: Peripheral Neuropathy
Polyradiculoneuritis – A neurological disorder affecting the nerves that control the muscles of the neck, limbs, lungs and vocal cords. Can also cause stiff gait, paralysis, voice loss, sagging eyes, drooping lips, etc. Believed to be caused by overstimulation of the immune system, usually after contact with raccoon saliva. Also called Coon Dog Paralysis, Coon Hound Paralysis, Coondog Paralysis, Coonhound Paralysis.
Porcupine Quills – Embedded quills or wounds caused by quills, along with toxins.
Pressure Ulcers – SEE: Bedsores
Pretibial Fever – SEE: Leptospirosis
Prolapsed Rectum – SEE: Rectal Prolapse
Proprioceptive Deficit – Abnormal body positions or movements due to a lack of normal perception.
Protein-Losing Enteropathy – Any condition in which the gastrointestinal tract loses protein from the body. Not a single disease, but generally an atypical manifestation of other diseases.
Pustular Acne – A common type of inflammatory acne characterized by the presence of a white, pus filled center surrounded by red skin. SEE ALSO: Acne.
Pyloric Stenosis – A narrowing of the pylorus, or opening from the stomach in to the small intestine. Symptoms include vomiting forcefully, dehydration, etc.
Pyoderma – A bacterial infection of the skin, common to dogs and uncommon to cats.
Pyoderma, Deep – A bacterial infection of the skin, common to dogs and uncommon to cats, deep within the skin.
Pyoderma, Superficial – A bacterial infection of the skin, common to dogs and uncommon to cats, laying on the surface of the skin.
Quadroplegia – Spinal cord injury that causes paralysis in all four limbs.
Rabies – A disease caused by a virus which attacks the nervous system, usually transmitted from the bite of an already rabid animal.
Radial Nerve Paralysis – One of the most common nerve injuries in dogs and cats, causing the front paw to drag on the ground.
Rat Catcher’s Yellows – SEE: Leptospirosis
Rectal Prolapse – When the backside or posterior wall of the rectum falls out or protrudes through the anus.
Rickettsiosis – SEE: Ehrlichiosis
Ruptured Spleen – Usually caused by a traumatic injury. Requires immediate attention.
Salmonella Enterocolitis – SEE: Salmonellosis
Salmonellosis – An infection in the lining of the small intestine caused by salmonella bacteria. Also called Salmonella Enterocolitis.
Scar – An area of fibrous tissue that replaces normal skin after penetrating injury.
Schnauzer Comedo Syndrome – A skin disorder, usually genetic in nature, affecting Schnauzers.
Scrape – SEE: Abrasion
Sebaceous Cyst – A sac of fat in which cysts are encased.
Seborrhea – A skin condition in which too much sebum, or oil, is produced, characterized by red, scaly skin. Associated with Acne. Also known as Seborrhoeic Dermatitis, Seborrheic Eczema or Seborrheic Dermatitis.
Seborrheic Dermatitis – SEE: Seborrhea
Seborrheic Eczema – SEE: Seborrhea
Seborrhoeic Dermatitis – SEE: Seborrhea
Seizures – Involuntary actions in which the muscles contract, usually caused by problems in the brain.
Senility – SEE: Dementia
Septic Shock – A serious condition that occurs when an infection leads to life-threatening low blood pressure. Can affect most parts of the body, especially heart, brain, kidneys, liver, lungs, etc.
Sequestrum – A piece of bone that is fully or partially attached to living bone.
Shedding, Excessive – Loss of hair above the normal shedding.
Skin Fold Dermatitis – SEE: Dermatitis, Intertrigenous
Skin Tag – A small benign tumor formed usually in areas where the skin forms a crease or a fold, such as the armpits, neck and groin. Also called Acrochordon, Fibroepithelial Polyp, Epithelial Tag.
Small Bowel Bacterial Overgrowth Syndrome (SBBOS) – SEE: Bacterial Overgrowth
Small Intestinal Bacterial Overgrowth (SIBO) – SEE: Bacterial Overgrowth
Spastic Colitis – SEE: Irritable Bowel Syndrom (IBS)
Splenomegaly – A condition in which the spleen becomes enlarged.
Staph Infection – SEE: Staph Pyoderma
Staph Pyoderma – The medical term used to describe a skin infection caused by the bacteria Staphylococcal pyoderma. Also called a Staph Infection.
Steatorrhea – The presence of excess fat cells in feces. May be an early indicator of cystic fibrosis.
Stomach Flu – SEE: Gastroenteritis
Stomach Virus – SEE: Gastroenteritis
Stroke – Also called a brain attack, a stroke occurs when blood flow to a part of the brain is stopped, damaging the cells of the brain. In some cases, it causes death, drooping musculature and/or paralysis.
Stud Tail – Also called Supracaudal Gland Hyperplasia or Tail Gland Hyperplasia, this is caused by hypersecretion of the glands in an organ in the base of the tail. Causes matted and greasy hair, hair loss, comedones, bacterial folliculitis, etc.
Supracaudal Gland Hyperplasia – SEE: Stud Tail
Swelling of the Brain – SEE: Cerebral Edema
Tail Gland Hyperplasia – SEE: Stud Tail
Tarry Stools – SEE: Melena
Telogen Effluvium – Nonscarring alopecia.
Tetanus – A type of nervous system disease in which there is a loss of control of certain muscles in the jaw and neck.
Tetany – Muscle spasms.
Tick Paralysis – An acute, ascending motor paralysis caused by neurotoxins in a tick’s saliva.
Torsion – SEE: Bloat
Toxic Epidermal Necrolysis – A skin disorder due to an allergic reaction or infection.
Tracker Dog Disease – SEE: Ehrlichiosis
Trichiasis – Abnormally positioned eyelashes that grow backward into the eye, touching the cornea or conjuctiva.
Trichobezor – An extreme form of hairball.
Trigeminal Nerve Paralysis – Facial nerve paralysis.
Tropical Canine Pancytopenia – SEE: Ehrlichiosis
Tympanic Membrane Perforation – Ruptured eardrum or a hole in the thin layer of tissue the areas of the ear.
Typhus – SEE: Ehrlichiosis
Ulcer, Decubital – SEE: Bedsores
Urinary Incontinence – The inability to control excretions from the bladder. SEE ALSO: Incontinence, Urinary; Neurogenic Bladder.
Vaccine Reaction – Any adverse reaction to a vaccination.
Valley Fever – Occurs when spores of the fungus coccidioides immitis enter your body through the lungs. A common fungal infection in desert areas of Southwest America.
Vasculitis – An inflammation of white blood cells, caused usually by infection.
Vestibular Syndrome – Any disorder of the neurons that may be characterized by circling, falling, rolling, etc.
Viral Gastroenteritis – SEE: Gastroenteritis, Viral
Volvulus – A bowel obstruction due to a loop of bowel that has abnormally twisted on itself.
Vomiting – Forceful expulsion of the contents of the stomach. Also called Emesis, Throwing Up, etc.
Warts – A growth or tumor on the skin, covered with epithelial cells and resembles the body part to which it is attached.
Water on the Brain – SEE: Hydrocephalus
Weil’s Syndrome – SEE: Leptospirosis
Wet Brain – SEE: Cerebral Edema
Wobbler Syndrome – Wobbly gait and weakness caused when spinal cervical vertebrae narrow and/or don’t form properly. Usually affects horses and dogs.
Wobblers Syndrome – SEE: Wobbler Syndrome
Wound, Animal Bite – SEE: Animal Bite
Wound, Gunshot – A wound caused by a gunshot.
Wound, Penetrating – A wound caused by something penetrating the skin.
Wound, Perforating – A wound caused by anything perforating skin or organs.
Wound, Puncture – A wound caused by something puncturing the skin or organs.
Wound Dehisence – A surgical complication in which a wound breaks open along the layers of the wound.
Xerosis – When the normal fatty oils that keep your skin lubricated are being stripped away or dried out. Caused by genetic predisposition, other medical conditions, external conditions (such as harsh soaps, dehydration, malnutrition, etc.). Can lead to Dermatitis. Also called Dry Skin.
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