If a dog suffers internal injuries while raising a dog, the dog may experience symptoms such as lethargy, loss of appetite, difficulty breathing, and even internal bleeding, and the excrement may turn dark red or even black.

If the kidneys are injured, The weight has dropped very fast, the taste in the mouth is still strong, and the urination is either too much or very little.

Generally, to diagnose the damage of the dog's internal organs, it is necessary to use biochemical and B-ultrasound. If the dog has acute internal bleeding, we can see that the dog's oral mucosa is pale and hypothermic. This condition is usually caused by rupture of the spleen. If your dog's eye conjunctiva is yellow, it's usually a liver problem. If your dog hasn't urinated for a day or two and is in low spirits, there's a good chance there's something wrong with the kidneys.