Dog Diseases

The list of dog diseases below is a constantly updated record of diseases and other conditions found in all dog breeds. There are some that are unique only to dogs or closely related species, while others are also found in other animals and even humans.

Animal Infections Rabies (hydrophobia) is the most common fatal viral disease that can affect any mammal, although the close relationship of dogs with humans makes canine rabies a zoonotic concern. Vaccination of dogs for rabies is commonly required by law.

A
Abnormal Development of the Elbow in Dogs
Abnormal Eyelid in Dogs
Abnormal Growths in the Lower Intestines of Dogs
Abnormal Heart Rhythm in Dogs
Abnormal Molar Development in Dogs
Abnormal Passage Between Artery and Vein in Dogs
Abnormal Passageway Between the Mouth and Nasal Cavity in Dogs
Abnormal Protein Production in Dogs
Abnormal Urine Outflow Due to Urinary Bladder Dysfunction in Dogs
Abortion in Dogs
Abscesses in Dogs
Accumulation of Air Between Chest and Lungs in Dogs
Acid Reflux in Dogs
Acne in Dogs
Acute Respiratory Distress Syndrome (ARDS) in Dogs
Acute Vomiting in Dogs
Addison’s Disease in Dogs
Adenovirus 1 in Dogs
Adrenal Gland Cancer (Pheochromocytoma) in Dogs
Adverse Reaction in Dogs to Glow Jewelry
Advil Poisoning in Dogs
Aggression in Dogs (Overview)
Aggression in Dogs Toward Familiar People
Allergic Shock in Dogs
Ameba Infection in Dogs
Amphetamine Poisoning in Dogs
Anaerobic Bacterial Infections in Dogs
Anal Gland Cancer in Dogs
Anal Sac Disorders in Dogs
Anemia (Methemoglobinemia) in Dogs
Anemia Due to Bone Marrow Failure (or Toxicity) in Dogs
Anemia Due to Chronic Kidney Disease in Dogs
Anemia Due to Deformed Red Blood Cells in Dogs
Anemia Due to Enlarged Blood Cells in Dogs
Anemia Due to Iron Deficiency in Dogs
Anemia Related to the Immune System in Dogs
Anemia, Nonregenerative in Dogs
Anemia, Regenerative in Dogs
Antibiotic-resistant Bacterial Infections in Dogs
Antibiotic-Resistant Infections in Dogs
Antibodies that Attack Blood Cells at Lower Temperatures in Dogs
Anticoagulant Poisoning in Dogs
Antifreeze Poisoning in Dogs
Antifreeze Poisoning in Dogs
Anxiety and Compulsive Disorders in Dogs
Arrhythmias after Blunt Heart Trauma in Dogs
Arsenic Poisoning in Dogs
Artery Inflammation in Dogs
Arthritis (Septic) in Dogs
Arthritis of Multiple Joints in Dogs
Aspirin Poisoning in Dogs

B
Bacterial Infection (Actinomycosis) in Dogs
Bacterial Infection (Campylobacteriosis) in Dogs
Bacterial Infection (Leptospirosis) in Dogs
Bacterial Infection (Metritis) of the Uterus in Dogs
Bacterial Infection (Mycoplasma, Ureaplasma, Acoleplasma) in Dogs
Bacterial Infection (Nocardiosis) in Dogs
Bacterial Infection (Pyelonephritis) of the Kidneys in Dogs
Bacterial Infection (Pyoderma) of the Skin in Dogs
Bacterial Infection (Streptococcus) in Dogs
Bacterial Infection (Tularemia) in Dogs
Bacterial Infection (Tyzzer Disease) in Dogs
Bacterial Infection of the Breast in Dogs
Bad Breath (Chronic) in Dogs
Baldness and Hormone-Related Skin Disorders in Dogs
Bartonella Infection in Dogs
Bile Duct Cancer in Dogs
Bile Duct Obstruction in Dogs
Birth Difficulties in Dogs
Black Widow Spider Bite Poisoning in Dogs
Black, Tarry Feces due to Presence of Blood in Dogs
Bladder Inflammation with Polyps in Dogs
Bleeding Disorder in Dogs
Bleeding of the Retina in the Eye in Dogs
Bleeding Under the Skin of Dogs
Blind Quiet Eye in Dogs
Bloat or Stomach Dilatation in Dogs
Blood Clot in the Lungs in Dogs
Blood in the Chest in Dogs
Blood in the Front of the Eye in Dogs
Blood in the Urine in Dogs
Blood Related Deficiencies in Dogs
Blood Thickening in Dogs
Blood Transfusion Reactions in Dogs
Blue Skin and Mucus Membranes in Dogs
Bone Cancer (Chondrosarcoma) in Dogs
Bone Cancer (Fibrosarcoma) in Dogs
Bone Cancer (Hemangiosarcoma) in Dogs
Bone Cancer (Osteosarcoma) in Dogs
Bone Deformity and Dwarfism in Dogs
Bone Infection in Dogs
Bone Inflammation (Hypertrophic Osteodystrophy) in Puppies
Bone Inflammation (Panosteitis) in Dogs
Bone Marrow Cancer (Myeloma) in Dogs
Bone Overgrowth in Dogs
Botflies (Maggots) in Dogs
Botulism in Dogs
Brain and Spinal Cord Inflammation (Meningoencephalomyelitis, Eosinophilic) in Dogs
Brain and Spinal Cord Inflammation in Dogs
Brain Cell Degeneration in Dogs
Brain Disorder Due to Liver Disease in Dogs
Brain Inflammation Due to Parasitic Infection in Dogs
Brain Inflammation in Dogs
Brain Injury in Dogs
Brain Tissue Inflammation and Death (Breed Specific) in Dogs
Brain Tissue Undervelopment in Dogs
Brain Tumor (Astrocytoma) in Dogs
Brain Tumors in Dogs
Breathing Difficulties in Dogs
Breathing Problem in Short-Nose Breed Dogs
Breeding Timing in Dogs
Brown Recluse Spider Bite Poisoning in Dogs

C
Calcium Buildup in Lungs of Dogs
Calcium Deposits in the Urinary Tract in Dogs
Cancer of the Blood Vessel Cells in Dogs
Cancerous and Non-Cancerous Growths in a Dogs Mouth
Cancerous Lymphoid Cells in the Lungs of Dogs
Canine Coronavirus Infection in Dogs
Capillariasis in Dogs
Carbon Monoxide Poisoning in Dogs
Carcinoid Cancer in Dogs
Cardiac Arrest in Dogs
Cardiac Electrical Failure in Dogs
Cardiomyopathy in Boxer Dogs
Carnitine Deficiency in Dogs
Cataracts in Dogs
Cavities in Dogs
Chagas Disease in Dogs
Chemical Imbalance of Urine in Dogs
Chest Bone Deformity in Dogs
Chocolate Poisoning in Dogs
Chronic Inflammation of the Anus, Rectum or Perineum Region in Dogs
Chronic Inflammation of the Bronchi in Dogs
Chronic Vomiting in Dogs
Cirrhosis and Fibrosis of the Liver in Dogs
Claw and Nail Disorders in Dogs
Cleft Palate in Dogs
Clotting Deficiency (Inherited) in Dogs
Clotting Deficiency (Liver Related) in Dogs
Clotting Disorders of the Platelets in Dogs
Collapse During Exercise in Labrador Retrievers
Collapse of the Wind Pipe in Dogs
Collection of Fluid in the Lungs (Not Due to Heart Disease) in Dogs
Collie Eye Defect in Dogs
Colonic or Rectal Inflammation in Dogs
Colonic Ulcer in Dogs
Conditions Due to Abnormal Secretions from a Tumor in Dogs
Congenital Heart Defect (Atrial Septal Defect) in Dogs
Congenital Heart Defect (Ebstein’s Anomaly) in Dogs
Congenital Heart Defect (Pulmonic Stenosis) in Dogs
Constipation (Severe) in Dogs
Constipation in Dogs
Coonhound Paralysis In Dogs
Coral Snake Bite Poisoning in Dogs
Corneal Disease (Inherited) in Dogs
Corneal Inflammation (Nonulcerative Keratitis) in Dogs
Coughing in Dogs
Crystals in the Urine of Dogs
Cushings Disease in Dogs
Cyst on the Gums in Dogs

D
Defect of the Ventricular Septum in Dogs
Degeneration of the Cerebellum of the Brain in Dogs
Degeneration of the Cornea in Dogs
Degeneration of the Image Forming Part of the Eye in Dogs
Degeneration of the Iris in the Eye in Dogs
Degenerative Joint Disease in Dogs
Degenerative Skin Disorder (Necrolytic Dermatitis) in Dogs
Dementia (Geriatric) in Dogs
Destruction of the Pituitary Gland in Dogs
Destructive Behavior in Dogs
Diabetes (Hepatopathy) in Dogs
Diabetes in Dogs
Diabetes with Coma in Dogs
Diabetes with Ketone Bodies in Dogs
Diarrhea (Long-term) in Dogs
Diarrhea (Sudden) in Dogs
Diarrhea Due to Clostridium perfringens in Dogs
Dietary Reactions in Dogs
Difficult Defecation and Blood in Stool in Dogs
Diseases of the Orbit of the Eye in Dogs
Diseases of the Skin on the Nose in Dogs
Dislocated Eye Lens in Dogs
Distemper in Dogs
Do Carrots Naturally Improve Your Dogs Vision?
Dog Abdominal Cavity Inflammation - Dog Peritoneal Cavity
Dog Diarrhea Treatment And Cures - Diarrhea (Antibiotic-Responsive) in Dogs
Dog Flu
Dogs and Motion Sickness
Droopy Eye in Dogs
Drowning (Near Drowning) in Dogs
Drug Poisoning in Dogs
Dry Eye Syndrome in Dogs

E
E. Coli infection in Dogs
Ear Cancer (Adenocarcinoma) in Dogs
Ear Cancer in Dogs
Ear Cysts (Cholesteatoma) in Dogs
Ear Hematoma in Dogs
Ear Mites in Dogs
Early Contractions and Labor in Dogs
Early Death in Puppies
Electric Cord Bite Injury in Dogs
Electrolyte Disturbance in Dogs
Elevated Sex Hormones in Dogs
Enlarged Gums in Dogs
Enlarged Heart (Dilated Cardiomyopathy) in Dogs
Enlarged Liver in Dogs
Enlarged Spleen in Dogs
Enlargement of Esophagus in Dogs
Estrus Symptoms after Spaying in Dogs
Ethanol Poisoning in Dogs
Excess Acidity in the Blood in Dogs
Excess Alkali in the Blood in Dogs
Excess Blood Cells in the Eye In Dogs
Excess Calcium in the Blood in Dogs
Excess Carbon Dioxide in the Blood in Dogs
Excess Chloride in the Blood in Dogs
Excess Iron in the Blood in Dogs
Excess Magnesium in the Blood in Dogs
Excess Phosphorous in the Blood in Dogs
Excess Protein in the Urine of Dogs
Excess Sodium in the Blood in Dogs
Excess Thyroid Hormone in Dogs
Excessive Bacteria in the Small Intestine in Dogs
Excessive Blood Clotting in Dogs
Excessive Blood Clotting in Dogs
Excessive Potassium in the Blood in Dogs
Excessive Production of Saliva in Dogs
Excessive Vocalization in Dogs
Extreme Fear and Anxiety in Dogs
Eye Defects (Congenital) in Dogs
Eye Displacement in Dogs
Eye Infection in Newborn Dogs
Eye Inflammation (Anterior Uveitis) in Dogs
Eye Inflammation (Blepharitis) in Dogs
Eye Inflammation (Choroid and Retina) in Dogs
Eye Inflammation (Conjunctivitis) in Dogs
Eye Injuries in Dogs
Eye Ulcer in Dogs
Eyelash Disorders in Dogs
Eyelid Protrusion (Cherry Eye) in Dogs


F
Failure to Absorb Vitamin B12 in Dogs
Failure to Thrive in Collie Dogs
Fainting in Dogs
False Pregnancy in Female Dogs
Familial Shar-Pei Fever
Fatty Layer or Nodule Under the Skin in Dogs
Fatty Skin Tumors in Dogs
Fatty Tissue Inflammation in Dogs
Fatty Tissue Tumor (Benign) in Dogs
Fever in Dogs
Fibrotic Hardening of the Lungs (Pneumonia) in Dogs
Flatworm Parasite (Heterobilharzia) in Dogs
Flea and Tick Medicine Poisoning in Dogs
Flea Control and Flea Bite Allergies in Dogs
Fluid Buildup in the Kidney Due to Kidney or Ureter Obstruction in Dogs
Fluid Buildup in the Sac Surrounding the Heart in Dogs
Fluid in Abdomen in Dogs
Fluid in Chest (Pleural Effusion) in Dogs
Fluid in the Chest in Dogs
Fluid in the Lungs in Dogs
Fluid Retention and Tissue Swelling Due to Collection of Lymph in Dogs
Folding of the Intestines in Dogs
Foot/Toe Cancer in Dogs
Foreign Objects Stuck in the Throat in Dogs
Fox Tapeworm Infection (Cysticercosis) in Dogs
Fractures of Upper Jaw and Lower Jaw in Dogs
Front Leg Deformity in Dogs
Front Leg Injury in Dogs
Fungal Disease (Sporotrichosis) of the Skin in Dogs
Fungal Infection (Aspergillosis) in Dogs
Fungal Infection (Blastomycosis) in Dogs
Fungal Infection (Coccidioidomycosis) in Dogs
Fungal Infection (Histoplasmosis) in Dogs
Fungal Infection (Malassezia pachydermatis) of the Skin in Dogs
Fungal Infection (Pneumocystosis) of the Lung in Dogs
Fungal Infection (Rhinosporidiosis) in Dogs
Fungal Infection (Yeast) in Dogs
Fungal Infection of the Lower Urinary Tract in Dogs
Fungal Toxicosis Related To Aspergillus flavus, A. parasiticus, and Penicillium puberulum Fungi In Dogs
Fungal Toxicosis Related to Fusarium Fungus in Dogs

G
Gallbladder and Bile Duct Inflammation in Dogs
Gallbladder Obstruction in Dogs
Gallstones in Dogs
Gas in Dogs
Generalized Inflammatory Muscle Diseases in Dogs
Genetic Liver Abnormality in Dogs
Giant Cell Tumors in Dogs
Glaucoma in Dogs
Glomerulonephritis in Dogs
Glucose in the Urine in Dogs
Gluten-Sensitive Enteropathy in Irish Setters
Glycogen Storage Disease in Dogs
Gum Disease in Dogs

H
Hair Follicle Tumors in Dogs
Hair Loss Due to Lack of Growth Hormone in Dogs
Hair Loss in Dogs
Hardening and Blockage of the Arteries in Dogs
Head Pressing in Dogs
Head Tilt, Disorientation in Dogs
Hearing Loss in Dogs
Heart (Aortic) Blood Clot in Dogs
Heart (Aortic) Valve Narrowing in Dogs
Heart and Carotid Artery Tumors in Dogs
Heart Attack in Dogs
Heart Beat Problems (Fibrillation and Flutter) in Dogs
Heart Beat Problems (Premature Complexes) in Dogs
Heart Beat Problems (Standstill) in Dogs
Heart Block (Complete) in Dogs
Heart Block (First-Degree) in Dogs
Heart Block (Mobitz Type I) in Dogs
Heart Block (Mobitz Type II) in Dogs
Heart Block or Conduction Delay (Left Anterior) in Dogs
Heart Block or Conduction Delay (Left Bundle) in Dogs
Heart Block or Conduction Delay (Right Bundle) in Dogs
Heart Cancer (Hemagiosarcoma) in Dogs
Heart Defect (Congenital) in Dogs
Heart Disease (Hypertrophic Cardiomyopathy) in Dogs
Heart Disease of the Sinus Node in Dogs
Heart Failure Due to Valve Defect in Dogs
Heart Failure, Congestive (Left-sided) in Dogs
Heart Failure, Congestive (Right-sided) in Dogs
Heart Impulse Block in Dogs
Heart Inflammation (Myocarditis) in Dogs
Heart Medicine Poisoning in Dogs
Heart Murmurs in Dogs
Heart Sac Inflammation (Pericarditis) in Dogs
Heart Tumor (Rhabdomyoma) in Dogs
Heart Tumors (Myocardial) in Dogs
Heart Valve Infection (Infective Endocarditis) in Dogs
Heart Valve Malformation in Dogs
Heart Valve Narrowing (Mitral and Tricuspid) in Dogs
Heartworm Disease in Dogs
Heat Stroke and Hyperthermia in Dogs
Hematoma on Dogs
Hemoglobin and Myoglobin in Urine in Dogs
Hemorrhage of the Lung in Dogs
Hepatozoonosis (Tick-Borne Disease) in Dogs
Hereditary Muscle Disease (Non-inflammatory Myopathy) in Labrador Retrievers
Hereditary, Non-Inflammatory Muscular Disease in Dogs
Hernia (Diaphragmatic) in Dogs
Hernia (Hiatal) in Dogs
Hernia (Inguinal) in Dogs
Hernia Between the Pericardium and Peritoneum in Dogs
High Blood Pressure in Dogs
High Blood Pressure in the Lungs in Dogs
High Blood Pressure in the Portal Vein to the Liver in Dogs
High Blood Sugar in Dogs
High Cholesterol in Dogs
High Level of Plasma Proteins in the Blood of Dogs
High Levels of Blood Nitrogen in Dogs
Hip Dysplasia in Dogs
Hole in the Trachea in Dogs
Hookworms in Dogs
Hormone Replacement Poisoning in Dogs
House Soiling (Marking) by Dogs
How Do Pest Control Products Get Rid of Fleas?
Hypercalcemic Agent Poisoning in Dogs
Hyperparathyroidism Due to Kidney Failure in Dogs
Hyperparathyroidism in Dogs

I
Inability to Protrude or Retract Penis in Dogs
Inability to Urinate in Dogs
Incoordination of the Legs in Dogs
Increased Appetite in Dogs
Increased Heart Rate Due to Premature Contractions in Dogs
Increased Urination and Thirst in Dogs
Infertility in Female Dogs
Infertility in Male Dogs
Inflamed Chewing Muscles and Eye Muscles in Dogs
Inflammation of Body Blood Vessels in Dogs
Inflammation of the Abdomen Due to Bile Leakage in Dogs
Inflammation of the Esophagus in Dogs
Inflammation of the Middle and Inner Ear in Dogs
Inflammation of the Middle Ear and External Ear Canal in Dogs
Inflammation of the Pancreas in Dogs
Inflammation of the Skin Blood Vessels in Dogs
Inflammation of the Skin, Muscle, and Blood Vessels in Dogs
Inflammation of the Soft Tissues in the Mouth in Dogs
Inflammation of the Superficial Veins in Dogs
Inflammatory Bowel Disease (IBD) in Dogs
Inflammatory Bowel Disease Due to Lymphocytes and Plasma in Dogs
Inflammatory Bowel Disease in Dogs
Inflammatory Skin Disease in Dogs
Ingestion of Feces and Foreign Objects in Dogs
Insecticide Poisoning in Dogs
Insufficient Urine Production in Dogs
Intestinal Cancer (Adenocarcinoma) in Dogs
Intestinal Disorder (Loss of Motility) in Dogs
Intestinal Obstruction in Dogs
Intestinal Parasite (Coccidia) in Dogs
Intestinal Parasite (Cyptosporidia) in Dogs
Intestinal Parasitic Infection (Strongyloidiasis) in Dogs
Intestinal Protein Loss in Dogs
Intestinal Tumor (Leiomyoma) in Dogs
Intestinal Tumors (Apudomas) in Dogs
Intestinal Viral Infection (Rotavirus) in Dogs
Intestinal Virus (Reovirus) Infection in Dogs
Involuntary Muscle Trembling in Dogs
Iris Bombe in Dogs
Iris Cysts
Irregular Heart Beat in Dogs
Irregular Heart Rhythms in Dogs
Irregular Heartbeat in Dogs
Irritable Bowel Syndrome in Dogs
Itchiness, Desire to Scratch, Chew or Lick Causing Inflamed Skin in Dogs

J
Jawbone Enlargement in Dogs
Joint Cancer (Synovial Sarcoma) in Dogs
Joint Cartilage Erosion in Dogs
Joint Dislocation in Dogs
Jumping, Chewing, Playbiting, and Other Destructive Behavior Problems in Puppies, Young Dogs


K
Kennel Cough in Dogs
Key-Gaskell Syndrome in Dogs
Kidney Cancer (Adenocarcinoma) in Dogs
Kidney Disease (Congenital) in Dogs
Kidney Disease Caused by Multiple Cysts in Dogs
Kidney Disease in Dogs
Kidney Enlargement in Dogs
Kidney Failure (Long-Term) in Dogs
Kidney Failure and Excess Urea in the Urine in Dogs
Kidney Filtration Problems in Dogs
Kidney Inflammation Due to Fluid Accumulation in Dogs
Kidney Stones (Struvite) in Dogs
Kidney Stones in Dogs
Kidney Toxicity (Drug-Induced) in Dogs
Kneecap Dislocation in Dogs

L
Lack of Bladder Control in Dogs
Lack of Bowel Control in Dogs
Lack Of Digestive Enzymes in Dogs
Lactic Acid Build-Up in Dogs
Lameness in Dogs
Laryngeal Disease in Dogs
Lead Poisoning in Dogs
Legg-Calvé-Perthes Disease in Dogs
Leukemia (Acute) in Dogs
Leukemia (Chronic) in Dogs
Lice in Dogs
Liver and Spleen Cancer (Hemangiosarcoma) in Dogs
Liver Cancer (Hepatocellular Carcinoma) in Dogs
Liver Disease (Copper Storage) in Dogs
Liver Failure (Acute) in Dogs
Liver Fibrosis in Young Dogs
Liver Fistula in Dogs
Liver Inflammation (Chronic) in Dogs
Liver Inflammation (Granulomatous) in Dogs
Liver Inflammation (Suppurative) in Dogs
Liver Inflammation in Dogs
Liver Toxins in Dogs
Liver Tumor (Hepatocellular Adenoma) in Dogs
Liver Tumors in Older Dogs
Lizard Venom Poisoning in Dogs
Lockjaw in Dogs
Long-Term Stomach Inflammation in Dogs
Loss of Appetite in Dogs
Loss of Balance (Unbalanced Gait) in Dogs
Low Blood Albumin in Dogs
Low Blood Calcium in Dogs
Low Blood Oxygen in Dogs
Low Blood Potassium in Dogs
Low Blood Sugar in Dogs
Low Body Temperature in Dogs
Low Platelet Count in Dogs
Low Production of Parathyroid Hormone in Dogs
Low White Blood Cell Count in Dogs
Lower Eyelid Droop in Dogs
Lung Cancer (Adenocarcinoma) in Dogs
Lung Cancer (Squamous Cell Carcinoma) in Dogs
Lung Lobe Twisting in Dogs
Lungworms in Dogs
Lyme Disease in Dogs
Lymph Node Inflammation (Lymphadenitis) in Dogs
Lymph Node Inflammation (Lymphadenopathy) in Dogs
Lymph Node Inflammation, Intestinal Tract (Lymphangieasia) in Dogs
Lymphoma in Dogs

M
Mad Itch Pseudorabies Virus Infection in Dogs
Magnesium Deficiency in Dogs
Mammary Gland Tumor in Dogs
Mange (Sarcoptic) in Dogs
Mange in Dogs
Mass Protrusion from the Vaginal Area in Dogs
Mast Cell Tumor (Mastocytoma) in Dogs
Maternal Behavior Problems in Female Dogs
Meningitis, Meningoencephalitis, Meningomyelitis in Dogs
Mesothelioma in Dogs
Metabolic Enzyme Deficiency in Dogs
Metabolic Muscle Disease without Inflammation in Dogs
Miscarriage Due to Bacterial Infection (Brucellosis) in Dogs
Miscarriage in Dogs
Mosquitoes and Your Dogs and Cats
Mouth Cancer (Adenocarcinoma) in Dogs
Mouth Cancer (Amelobastoma) in Dogs
Mouth Cancer (Chondrosarcoma) in Dogs
Mouth Cancer (Gingiva Fibrosarcoma) in Dogs
Mouth Cancer (Gingiva Squamous Cell Carcinoma) in Dogs
Mouth Cancer (Melanocytic) in Dogs
Mouth Cancer in Dogs
Mouth Inflammation and Ulcers (Chronic) in Dogs
Mucopolysaccharidoses in Dogs
Mucus in Dog Stool
Mumps in Dogs
Muscle Contraction Disease (Myoclonus) in Dogs
Muscle Cramps in Scottish Terriers
Muscle Tear in Dogs
Mushroom Poisoning in Dogs
Mushroom, Mold, Yeast Poisoning in Dogs
Myelin Deficiency in Dogs
Myeloproliferative Disorders in Dogs

N
Narcolepsy and Cataplexy in Dogs
Narrowed Bronchi in Dogs
Narrowing of Pyloric Canal in Dogs
Narrowing of the Anal or Rectal Opening in Dogs
Narrowing of the Esophagus in Dogs
Narrowing of Vertebral Canal in Dogs
Nasal Passage Narrowing in Dogs
Neck and Back Pain in Dogs
Nerve Disorder Affecting Multiple Nerves in Dogs
Nerve Sheath Tumor in Dogs
Nerve/Muscle Disorder in Dogs
Neuropathic Pain in Dogs
Noisy Breathing in Dogs
Non-Inflammatory Hereditary Muscle Disease in Dogs
Non-inflammatory Myopathy of Endocrine Origin in Dogs
Nonsteroidal Anti-Inflammatory Drug Toxicity in Dogs
Nose and Sinus cancer (Squamous Cell Carcinoma) in Dogs
Nose and Sinus Inflammation in Dogs
Nose Bleed in Dogs
Nose Cancer (Adenocarcinoma) in Dogs
Nose Cancer (Chondrosarcoma) in Dogs
Nose Cancer (Fibrosarcoma) in Dogs
Nose Pad Cancer (Squamous Cell Carcinoma) in Dogs

O
Obesity in Dogs
Optic Nerve Swelling in Dogs
Osteochondritis Dissecans (OCD) in Dogs
Out-of-place Urethral Lining in Dogs
Ovarian Tumors in Dogs
Overproduction of Estrogen in Dogs
Overproduction of Red Blood Cells in Dogs
Overproduction of White Blood Cells in the Bone Marrow in Dogs


P
Pain (Acute, Chronic and Postoperative) in Dogs
Painful Abdomen in Dogs
Painful and Frequent Urination in Dogs
Pancreatic Cancer (Adenocarcinoma) in Dogs
Pancreatic Cancer (Glucagonoma) in Dogs
Pancreatic Cancer (Insulinoma) in Dogs
Paralysis Due to Spinal Cord Injury in Dogs
Paralysis Due to Spinal Cord Lesion in Dogs
Paralysis in Dogs
Paralysis of the Jaw in Dogs
Parasite Drug (Ivermectin) Poisoning in Dogs
Parasite Infection (Babesiosis) in Dogs
Parasite Infection (Leishmaniasis) in Dogs
Parasitic Blood Infection (Haemobartonellosis) in Dogs
Parasitic Diarrhea (Giardiasis) in Dogs
Parasitic Infection (Microsporidiosis Encephalitozoonosis) in Dogs
Parasitic Infection (Neosporosis) in Dogs
Parasitic Infection of the Respiratory Tract in Dogs
Particles in the Urine in Dogs
Parvo in Dogs
Pelger-Huët Anomaly in Dogs
Pennyroyal Oil Poisoning in Dogs
Perineal Hernia in Dogs
Phosphofructokinase Deficiency in Dogs
Pink Growths in the Nose in Dogs
Pit Viper Bite Poisoning in Dogs
Plague in Dogs
Pneumonia (Aspiration) in Dogs
Pneumonia (Bacterial) in Dogs
Pneumonia (Fungal) in Dogs
Pneumonia (Interstitial) in Dogs
Pneumonia Due to Overactive Immune Response in Dogs
Poisoning by Petroleum Products in Dogs
Poisoning Due to Ingesting Rat Poison in Dogs
Poisoning in Dogs
Pork Roundworm Infection in Dogs
Possessive and Territorial Aggression in Dogs
Posterior Displacement of the Bladder in Dogs
Postpartum Low Blood Calcium in Dogs
Pouch-like Sacs on the Esophageal Wall in Dogs
Prostate Cancer (Adenocarcinoma) in Dogs
Prostate Disease in the Breeding Male Dog
Prostate Enlargement in Dogs
Prostate Gland Enlargement in Dogs
Prostate Inflammation and Abscessation in Dogs
Prostatic Cysts in Dogs
Protein Deposits in Liver (Amyloidosis) in Dogs
Protein Deposits in the Body in Dogs
Protrusion of the Rectum and Anus in Dogs
Puppy Strangles in Dogs
Pus Cavity Forming Under Tooth in Dogs
Pus in the Chest Cavity of Dogs
Pus in the Urine in Dogs
Pyruvate Kinase Deficiency in Dogs

Q
Q Fever in Dogs

R
Rabies in Dogs
Racoon Disease in Dogs
Rapid Cellular Growth in Dogs
Rapid Heart Beat in Dogs
Rapid Heart Rate in Dogs
Rat Poison Toxicity in Dogs
Rat Poisoning in Dogs
Red Eye (Episcleritis) in Dogs
Red Eye in Dogs
Reduced Activity of the Stomach in Dogs
Regurgitation in Dogs
Retained Afterbirth in Dogs
Retained Baby Teeth in Dogs
Retained Testicles Dogs
Rickettsial Infection in Dogs
Ringworm in Dogs
Rocky Mountain Spotted Fever in Dogs
Roundworms in Dogs
Running Away from Home and Marking Territory in Dogs
Runny Nose in Dogs

S
Safety Tips for Using Heartworm Preventive Medications on Dogs
Sago Palm Poisoning in Dogs
Salmon Poisoning Disease in Dogs
Salmonella Infection in Dogs
Sarcocystis Infection in Dogs
Scaly Skin in Dogs
Seizures (Epileptic) in Dogs
Seizures and Convulsions in Dogs
Separation Anxiety in Dogs
Separation of the Inner Lining of the Eye in Dogs
Septicemia and Bacteremia in Dogs
Severely Abnormal Heart Rhythm in Dogs
Sexual Development Disorders in Dogs
Sexually Transmitted Tumors in Dogs
Shaker Syndrome in Dogs
Shock Due to Bacterial Infection in Dogs
Shock Due to Decrease in Circulation in Dogs
Shock Due to Heart Failure in Dogs
Shoulder Joint Ligament and Tendon Conditions in Dogs
Side Effects of Anxiety Medications in Dogs
Sjögren-like Syndrome in Dogs
Skin and Eye Inflammation Due to Autoimmune Disorder (Uveodermatologic Syndrome) in Dogs
Skin and Toe Cancer (Melanocytic) in Dogs
Skin Blisters (Vesiculopustular Dermatoses) in Dogs
Skin Blisters and Pustules in Dogs
Skin Bumps (Granulomatous Dermatoses) in Dogs
Skin Bumps (Papulonodular Dermatoses) in Dogs
Skin Cancer (Adenocarcinoma) in Dogs
Skin Cancer (Basal Cell Tumor) in Dogs
Skin Cancer (Epidermotropic Lymphoma) in Dogs
Skin Cancer (Hemangiosarcoma) in Dogs
Skin Cancer (Mucocutaneous Plasmacytoma) in Dogs
Skin Cancer (Squamous Cell Carcinoma) in Dogs
Skin Disease (Canine Seborrhea) in Dogs
Skin Disease (Dermatophilosis) in Dogs
Skin Disease Caused by Licking in Dogs
Skin Disease Due to Food Allergies in Dogs
Skin Disease, Autoimmune (Pemphigus) in Dogs
Skin Diseases from Allergies in Dogs
Skin Infections and Loss of Skin Color Disorders in Dogs
Skin Inflammation Due to Allergies (Atopy) in Dogs
Skin Inflammation on the Paws in Dogs
Skin Mite Dermatitis in Dogs
Skin Rash Due to Contact with Irritants in Dogs
Skin Reactions to Drugs in Dogs
Skin Tumor (Histiocytoma) in Dogs
Skin Ulcers and Depigmentation (Immune-Related) in Dogs
Skin Ulcers in Dogs
Skull and Spinal Cord Abnormalities in Dogs
Slipped Disc, Bad Back, and Muscle Spasms in Dogs
Small Sized Testes in Dogs
Smoke Inhalation in Dogs
Snail, Slug Bait Poisoning in Dogs
Sneezing, Reverse Sneezing (gasping in for air), and Gagging in Dogs
Sodium Deficiency in Dogs
Soft Tissue Cancer (Rhabdomyosarcoma) in Dogs
Spasm of the Rear Legs in Dogs
Sperm Abnormalities in Dogs
Sperm Ducts Cysts in Dogs
Spinal and Vertebral Birth Defects in Dogs
Spinal Column Malformation in Dogs
Spinal Cord Degeneration in Rottweilers
Spinal Cord Development Disorders in Dogs
Spinal Cord Disease in Dogs
Spinal Cord Disorder Caused by Blocked Blood Vessel in Dogs
Spine Degeneration in Dogs
Stained, Discolored Teeth in Dogs
Stalled Labor and Delivery Problems in Dogs
Staph Infection in Dogs
Stem Cell Disorders Due to Abnormal Development and Maturation in Dogs
Steroid-Related Liver Disease in Dogs
Steroid-Responsive Meningitis-Arteritis in Dogs
Stomach and Intestinal Cancer (Leiomyosarcoma) in Dogs
Stomach and Intestinal Inflammation in Dogs
Stomach and Intestinal Ulcers in Dogs
Stomach Disorder (Loss of Motility) in Dogs
Stomach Flu with Bloody Diarrhea in Dogs
Stomach Infection with Helicobacter in Dogs
Stomach Inflammation (Atrophic) in Dogs
Stomach Worm Infection (Physalopterosis) in Dogs
Stretchy, Saggy, Painful Skin in Dogs
Stupor and Coma in Dogs
Swallowing Difficulties in Dogs
Swelling in Dogs
Swelling of the Optic Disk in the Retina of Dogs
Swelling of the Salivary Gland in Dogs
Swollen Gums in Dogs
Synechiae in Dogs
Systemic Autoimmune Disease in Dogs

T
Tapeworms in Dogs
Taurine Deficiency in Dogs
Tear in the Heart in Dogs
Teeth Misalignment in Dogs
Temporomandibular Joint Disorders in Dogs
Testicular Swelling in Dogs
Testicular Tumor (Leydig Cell) in Dogs
Testicular Tumor (Seminoma) in Dogs
Testicular Tumor (Sertoli Cell) in Dogs
Tetralogy of Fallot in Dogs
Thickening of the Uterus Lining and Fluid-filled Sac in Dogs
Throat Cancer (Chondrosarcoma) in Dogs
Thunderstorm Phobias in Dogs
Thyroid Cancer (Adenocarcinoma) in Dogs
Thyroid Gland Disorder in Dogs
Thyroid Hormone Deficiency in Dogs
Tick Medicine Poisoning in Dogs
Tick Paralysis in Dogs
Ticks and Tick Control in Dogs
Toad Venom Toxicosis in Dogs
Tongue Cancer (Squamous Cell Carcinoma) in Dogs
Tonsil Cancer (Squamous Cell Carcinoma) in Dogs
Too much Acid in the Body in Dogs
Tooth Dislocation or Sudden Loss in Dogs
Tooth Enamel Malformation in Dogs
Tooth Fracture in Dogs
Torn Knee Ligament in Dogs
Toxicity from Gum, Candy, and Toothpaste in Dogs
Toxoplasmosis in Dogs
Transitional Cell Carcinoma of the Urinary Tract in Dogs
Tumor of the Eye in Dogs
Tumor of the Meninges in Dogs
Tumor of the Nerves in Dogs
Tumor of the Thymus in Dogs
Tumor of the Uterus in Dogs
Tumor Related to Vaccinations in Dogs
Tumors of the Endocrine Glands in Dogs
Tumors of the Gums (Epulis) in Dogs
Tumors of the Vagina in Dogs
Twisted Spleen in Dogs
Tylenol (Acetaminophen) Poisoning in Dogs


U
Umbilical Hernia in Dogs
Uncoordinated Cilia Function in Dogs
Unequal Pupil Size in Dogs
Unintentional Eye Movement in Dogs
Unruly Behaviors in Dogs
Ureter Stones in Dogs
Urethral Shaft Abnormality in Dogs
Urinary Bladder Cancer (Rhabdomyosarcoma) in Dogs
Urinary Tract / Kidney Stones (Cystine) in Dogs
Urinary Tract / Kidney Stones (Calcium Phosphate) in Dogs
Urinary Tract Infection, Lower (Bacterial) in Dogs
Urinary Tract Obstruction in Dogs
Urinary Tract Stones/Crystals Made Up of Uric Acid in Dogs
Uterine Abnormalities in Dogs

V
Vaginal Abnormalities in Dogs
Vaginal Discharge in Dogs
Vaginal Inflammation in Dogs
Vascular Ring Anomalies in Dogs
Ventricular Standstill in Dogs
Verterbral Disc Inflammation in Dogs
Vitamin D Poisoning in Dogs
Vomiting of Blood in Dogs
Vomiting with Bile in Dogs

W
Wart Virus in Dogs
Water Diabetes in Dogs
Water Mold Infection (Pythiosis) in Dogs
Water on the Brain in Dogs
Watery Eyes in Dogs
Weak Immune System due to Hereditary Disorder in Dogs
Weight Loss and Chronic Disease in Dogs
When Your Dog is Overly Aggressive Towards Other Dogs
Where are Flea and Tick Populations the Worst?
Whipworms in Dogs
Wobbler Syndrome in Dogs
Wolff-Parkinson-White Syndrome in Dogs

X
Xanthine Urinary Tract Stones in Dogs

Y
Yeast Infection and Thrush in Dogs
Yellow Skin (Jaundice) in Dogs

References:
http://www.petmd.com/
http://www.wikipedia.org/