The following is a list of most common diseases and in a dog and signs that characterize them. However, this list is not intended to be used to diagnose and treat your dog, but rather as a tool to tell when your dog is ill. Communicating with your veterinarian is a key part of ensuring good health care for your dog.
| DISEASES | SIGNS |
| Abscesses (according to site) | difficulty moving, fever, loss of appetite, pus |
| Arthritis | painful to touch |
| Burns | rapid breathing, shedding coat, ulceration |
| Cystitis (inflammation of the bladder) | abdominal pain, blood in the urine, difficult or no urination, painful urination, urinary incontinence |
| Dermatitis (skin inflammation) | shedding coat, skin irritation, ulceration |
| Diabetes Insipidus | intense thirst, urinary incontinence, urinary incontinence, voracious appetite |
| Diabetes Mellitus | bad breath, coma, frequent urination, intense thirst, urinary incontinence, voracious appetite |
| Distemper | abdominal pain, convulsions, cough, diarrhea (normal), loss of appetite, fever, low spirits, poor appetite, rapid breathing, trembling, vomiting, voracious appetite |
| Eclampsia | changes in behavior, convulsions, bedsores, fever, lethargy, loss of appetite, loss of balance, painful breathing, trembling |
| Eczema | shedding coat, skin irritation |
| Enteritis (inflammation of the intestines) | abdominal pain, diarrhea (normal), loss of appetite, vomiting, weight loss |
| External Parasites | scratches the ears, shedding coat, skin irritation |
| Foreign Bodies | abdominal pain, constipation, cough, cyanosis, diarrhea (normal), difficulty swallowing, intense thirst, loss of appetite, painful to touch, scratches the ears, swelling of the abdomen, vomiting |
| Gastritis | abdominal pain, bad breath, loss of appetite, swelling of the abdomen, vomiting |
| Hemorrhage | conspicuous inner eyelid, painful breathing, rapid breathing, shock |
| Heart Disease | abdominal distension, convulsions, cough, lethargy, mucous tissues pale, painful breathing |
| Heat Stroke | changes in behavior, coma, bedsores, fever, intense thirst, loss of appetite, loss of balance, low spirits, painful breathing, painful to touch, rapid breathing, shock, ulceration |
| Infectious Hepatitis | abdominal pain, diarrhea (with blood), fever, intense thirst, jaundice, lethargy, loss of appetite, painful breathing, rapid breathing, vomiting |
| Internal Parasites | cough, diarrhea (with blood), diarrhea (normal), mucous tissues pale, swelling of the abdomen, vomiting, voracious appetite, weight loss |
| Intestinal Blockage | abdominal pain, constipation, convulsions, lethargy, loss of appetite, poor appetite, vomiting |
| Leptospirosis | abdominal pain, blood in the urine, cyanosis, diarrhea (normal), difficult or no urination, fever, jaundice, lethargy, loss of appetite, painful urination, poor appetite, rapid breathing, vomiting |
| Leukemia | lethargy, loss of appetite, low spirits, mucous tissues pale, conspicuous inner eyelid painful breathing, rapid breathing, vomiting |
| Metritis (inflammation of the uterus) | abdominal pain, convulsions, cyanosis (low blood oxygen), lethargy, loss of appetite, conspicuous inner eyelid, pus, swelling of the abdomen, vomiting |
| Nephritis | abdominal distension, abdominal pain, bad breath, cyanosis (low blood oxygen), difficult or no urination, fever, frequent urination, lethargy, low spirits, painful urination, swelling of the abdomen |
| Otitis | convulsions, loss of balance, pus, scratches the ears, skin irritation |
| Para-Influenza | cough, painful breathing |
| Parvovirus | convulsions, diarrhea with blood, diarrhea (normal), fever, lethargy, loss of appetite, low spirits, conspicuous inner eyelid, poor appetite, rapid breathing, vomiting, weight loss |
| Poisoning | changes in behavior, convulsions, cyanosis (low blood oxygen), diarrhea (with blood), diarrhea (normal), poor appetite, rapid breathing, shedding coat, shock, trembling, vomiting |
| Rabies | changes in behavior, convulsions, fever, intense thirst, loss of balance, low spirits, mucous tissues pale, conspicuous inner eyelid, poor appetite, trembling, weight loss |
| Ringworm | shedding coat |
| Stones | abdominal pain, blood in the urine, difficult or no urination, painful urination, urinary incontinence |
| Tartar | bad breath |
| Tonsillitis | cough, difficulty swallowing, fever, loss of appetite, vomiting |
| Toothache | bad breath, difficulty swallowing, intense thirst, loss of appetite |
| Torsion of the Stomach | abdominal pain, changes in behavior, coma, convulsions, difficulty swallowing, intense thirst, loss of appetite, conspicuous inner eyelid, mucous tissues pale, painful breathing, painful to touch, poor appetite, rapid breathing, swelling of the abdomen, vomiting |
| Tuberculosis | cough, loss of appetite, low spirits, conspicuous inner eyelid, painful breathing, rapid breathing, trembling, weight loss |
| Tumors | abdominal distension, loss of appetite, mucous tissues pale, conspicuous inner eyelid, painful to touch, weight loss |