Watch to see if your dog is eating less. Notice if your dog is sensitive to you touching their muzzle. You may also visibly notice your dog having trouble chewing. [2] X Research source

Coughing problems can disrupt your dog’s sleep. [4] X Research source Coughing in a dog can be a sign of anything from minor bronchitis to heart worms, have a professional examine your dog. [5] X Research source

Changes may include, but are not limited to, increase or decrease in appetite or thirst, hyperactivity, whining or noticeably lowered energy levels. If you notice changes in your dog’s behavior, visit your veterinarian. If the irritation seems to relate to petting a specific spot, take note, it may be where your dog is injured or sick. [7] X Research source

Lumps growing in size. [10] X Research source Small animal internal medicine. Nelson and Couto. Publishers: Mosby Lumps becoming deeply attached to tissues. Oozing or bleeding sores.

A temperature of 103 °F (39 °C) is high. Take your dog to the vet as soon as possible. A temperature of 104. 5 °F (40. 3 °C) requires immediate medical attention. [12] X Research source

Rule out everyday reasons such as strenuous play or a hot day. If you notice your dog drinking much more than normal for a consecutive week, see your vet.

In the short term, loss of appetite for your dog can be a sign of fever, pain, or stress, as well as many other possible reasons. If the loss of appetite is combined with any other noticeable symptoms, you should see a vet immediately. [16] X Research source

Single instances of vomiting or diarrhea are not necessarily a cause for concern. Repeated instances,especially lasting more than twenty-four hours,require a vet. [19] X Research source Blood, in either vomit or diarrhea, can be a serious symptom and needs treatment as soon as possible. [20] X Research source

Unusually low energy levels, over two or three days should be checked with a vet. Lethargy, in combination with other symptoms, also requires the attention of your vet. [24] X Research source Extremely high levels of energy can also be a problem that needs medical attention.

Scratching is a typical sign of fleas, ticks, or mange mites. [25] X Research source Scratching can also mean endocrine or hormonal problems in your dog. [26] X Research source Dogs can also suffer from allergies just like humans, which can lead to itching. Take your dog to the vet. Most vets will examine the animal, try to reach a diagnosis or suggest tests to reach a diagnosis. After testing, your vet can prescribe a course of treatment to correct the underlying problem or at least make the dog more comfortable.

This symptom can be a result of anything from hip dysplasia to arthritis to Lyme disease from tick-borne bacteria. The earlier Lyme disease is treated, the better the prognosis, so see a vet quickly if you notice this symptom, especially in younger dogs.

Labored breathing requires urgent attention. If your dog’s gums have a bluish tint, seek immediate care.

Having accidents for a few days in a row is a good indication of a problem.

Either an increase or decrease in urination can be an indication of an illness. Problems with urination will may involve the kidneys or bladder stones.