Reactions of dogs when they are sick: listlessness

Owners can check whether the dog is lively, responds normally to the outside world, and has any abnormal demeanor. Healthy dogs are lively and agile, wagging their tails frequently when seeing their owners to show closeness, and are responsive to external stimuli. If the dog's head is lowered, its tail is drooping, its expression is cold, it stands still or huddles in a corner, and it is slow to react, it is a sign that the dog is sick.

Reactions of dogs when they are sick: loss of appetite

See if the dog has an appetite, how much food it eats, and whether it is picky or resistant to food. Healthy dogs have a strong appetite. They are excited when eating, eat quickly, steadily, and are not picky eaters. Sick dogs have a loss of appetite, reduced food intake, like to drink cold or clear water, and are picky eaters or refuse to eat.

Reaction of dog being sick: vomiting

See if the dog vomits after eating, or if vomit is found when cleaning the dog's food. And pay attention to the color of the vomit and the contents. Healthy dogs do not vomit, only dogs with infectious or gastrointestinal diseases will vomit.

Reactions of dogs when they are sick: abnormal stool

Observe the shape, color, nature and contents of the dog’s feces. Whether there is constipation and diarrhea, whether there is a special smell in the feces, etc. A healthy dog's stool is strip-shaped, moist, the color depends on the food, and has no special odor. If the dog's feces is thin and soft, has blood in the feces, has a foul smell, or is dry and hard with a small amount, etc., these are the characteristics of the dog's illness.

Reactions of dogs when they are sick: abnormal posture

Observe whether the dog's posture is abnormal, such as standing, lying, sitting, lameness and other symptoms. Healthy dogs obey commands naturally, easily, and in all positions. However, sick dogs do not follow orders very well, their various postures are unnatural, and they have painful expressions when they enforce orders.

Reactions of dogs when they are sick: eye abnormalities

Check whether the dog's eyes are red and swollen, whether there are tears, whether there is turbidity of the cornea, whether there is secretion from the corners of the eyes, etc. Healthy dogs have bright eyes, clean eye areas, no tears, and pink conjunctiva. If you see dull eyes, unclean eyes, red conjunctiva, etc., it may be related to eye disease or indigestion.

Reactions of dogs when they are sick: abnormal mouth and nose

Changes in the nose are important features in determining whether a dog is sick or not. A healthy dog's nose is cool and moist. When a dog's nose is dry or there are serous, mucosal or purulent secretions in the nasal cavity, it is sick.
Observe whether the dog's mouth is swollen, ulcerated, or spotted, has a special smell, or is difficult to swallow, etc. A healthy dog's mouth is clean, moist, pink, and free of bad breath and saliva. If your dog’s mouth is red and swollen, drooling, and has bad breath, it means there is a disease.