Our dogs depend on us to keep them healthy, and part of that responsibility is taking note of any symptoms that could indicate an illness or injury. Our dog symptom checker is organized so that you can find the area of your dog’s body that is showing symptoms, then check the specific symptom and its common causes.
While useful for sending you in the right direction, this chart does not replace a trip to the veterinarian for diagnosis and treatment. Always contact your veterinarian if your dog is exhibiting any unusual symptoms.
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BODY AREA |
COMMON SYMPTOMS AND CAUSES |
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Ears |
Itching, redness, discharge, or odor: Ear infection, ear mites, allergies, ear cysts, mange, wax buildup, tumor Swelling: Ear cancer, mange Hearing loss: Deafness Bleeding: Ear cancer |
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Eyes |
Discharge, redness, or swelling: Eye infection, allergies, conjunctivitis (pink eye), canine distemper, autoimmune disorder, corneal disorders, dry eye, cherry eye, glaucoma, eye defects, eye injury Bulging: Cherry eye, glaucoma, eye displacement Bleeding: Injury, hyphema (blood in front of the eyes) Blindness: Collie eye anomaly, tumor, glaucoma, seizures, poisoning, encephalitis, meningitis, hyphema (blood in front of the eyes), eye defects, autoimmune disorder, corneal disease Clouding: Eye infection, eye defects, corneal disease, tumor, glaucoma, cataracts, ulcer, collie eye anomaly Jaundice (yellowing): Liver disease, liver cancer, infection, heart tumor, stem cell disorders |
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Mouth |
Abnormal gum color: Heart disease, heart failure, anemia, cancer, tumor, liver disease, kidney disease, poisoning, thyroid disorder, clotting deficiency, hookworms, infection Bad breath: Gingivitis, mouth cancer, gum disease, mouth ulcer, cyst, cavities, tumor, gastrointestinal problems, kidney disease, retained deciduous teeth Bleeding: Gingivitis, gum disease, mouth cancer, ulcer, clotting disorder Difficulty breathing or coughing: Kennel cough, canine distemper, dog flu, infection, pneumonia, anemia, heartworm disease, upper respiratory infection, heart problems (disease, failure, murmur), cancer, poisoning, bronchitis, asthma, hernia, shock, foreign object in throat Difficulty swallowing: Kennel cough, heart problems (disease, failure, murmur), heartworm disease, infection, poisoning, tonsil, thyroid, mouth, or throat cancer, tumor, pneumonia, hernia, foreign object in throat Drooling: Rabies, mouth, tonsil, or tongue cancer, yeast infection, kidney disease, ulcer, cyst, cavities, gum disease, poisoning, allergies, epilepsy Eating Grass, Feces, Other Unusual Items: Stomach inflammation, stomach irritation, acid reflux, infection, poisoning Vomiting: Swallowing of something indigestible, rushed eating, parvo, canine distemper, tumor, intestinal parasites, allergies, leukemia, heartworm disease, infection, cancer, poisoning, inflammatory bowel disease, kidney disease, liver disease, epilepsy, meningitis |
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Nose |
Bleeding: Injury, foreign object stuck in nose, infection, poisoning, tumor, clotting disorder, cancer Sneezing or discharge: Kennel cough, canine distemper, bacterial, fungal, or viral infections, allergies |
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Head |
Shaking: Ear mites, ear infection, kidney stones, poisoning Swelling: Allergies, infection Tilting or Pressing: Rabies, encephalitis, vestibular disorder, brain disorder, meningitis, tumor, cysts |
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Skin and Hair |
Chewing, licking, scratching, flaking, or redness: Parasites, allergies, dry skin, skin irritation, infection, kidney disease, pain, anxiety, boredom Hair loss: Mange, parasites, allergies, skin irritation, ringworm, ulcer, tumor, cancer, infection, hormonal problems |
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Urinary |
Blood in urine: Urinary tract infection, kidney disease, kidney stones, cancer, diabetes, prostate disease, bacterial or fungal infection, poisoning Frequent, painful, or strained urination: Urinary tract infection, kidney stones, kidney disease, bacterial or fungal infection, diabetes, bladder stones, prostate disease, liver disease, cancer Incontinence: Aging, kidney disease, urinary tract infection, bladder stones, spinal cord disease, paralysis, seizures |
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Bowel |
Blood in stool: Parvo, canine distemper, stomach or intestinal bleeding, constipation, inflammatory bowel disease, irritable bowel syndrome, poisoning, parasites, infection, ulcer Constipation: Dehydration, ulcer Diarrhea: Parvo, canine distemper, parasites, food allergies/intolerance, poisoning, liver disease, kidney disease, diabetes, infection, inflammatory bowel disease, irritable bowel syndrome, cancer, ulcer |
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Abdominal |
Pain: Tumor, urinary tract or intestinal obstruction, twisted spleen, infection, gallstones, trauma, poisoning, liver disease, cancer Swelling or distention: Bloat, heart disease, heart murmur, cushing’s disease, foreign body in gastrointestinal tract, kidney inflammation, tumor, liver fistula |
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Legs |
Limping, stiffness, or difficulty rising: Hip dysplasia, arthritis, meningitis, rocky mountain spotted fever, lyme disease, spinal cord disease, bone or joint cancer, infection, nerve or muscle disorder, injury, back or neck problems |
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Behavioral |
Aggression: Rabies, poisoning, meningitis Disorientation or loss of balance: Rabies, vestibular disorder, meningitis, high blood pressure, seizures, cancer, encephalitis, eye defect, coma, liver fistula, brain injury, brain tumor, brain parasites, epilepsy Increased thirst: Kidney disease, liver, disease, liver fistula, cushing’s disease, diabetes, bacterial infection, poisoning, cancer Lack of appetite or weight loss: Canine distemper, poisoning, cancer, liver disease, intestinal problems, parasites, meningitis Lethargy, weakness, depression, or hiding: Canine distemper, parvo, kennel cough, heart disease, heart failure, heart murmur, heartworm disease, cancer, cushing’s disease, kidney failure, liver disease, lyme disease, rabies, tumor, meningitis, anemia, encephalitis, infection, arthritis, hip dysplasia, poisoning, tumor, pneumonia, diabetes, anxiety |
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Other |
Fever: Canine distemper, bacterial, viral, or fungal infection, abscess Paralysis: Rabies, spinal cord injury, botulism, poisoning, meningitis Seizure: Poisoning, canine distemper, head injury, rabies, meningitis, encephalitis, brain tumor, epilepsy |
Many of the health conditions listed in this chart require immediate veterinary attention. If your dog is showing symptoms of an illness or injury, don’t wait -- contact your veterinarian right away to schedule an appointment.
Frequently Asked Questions
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This information is for informational purposes only and is not meant as a substitute for the professional advice of, or diagnosis or treatment by, your veterinarian with respect to your pet. It has, however, been verified by a licensed veterinarian for accuracy.