Improper nutrition can cause skin diseases in dogs. This is because uneven nutrition can lead to insufficient body capacity and reduced resistance of dogs, which is not enough to resist the invasion of viruses and bacteria. Skin diseases caused by uneven nutrition are relatively easy to cure. After treatment, you must pay attention to the dog's diet, choose dog food with high protein content, and feed the dog some fresh fruits and vegetables every day to ensure that the dog's Nutritional balance.

Symptoms of dog skin diseases:

1. Hair loss. Hair loss caused by skin diseases in dogs is not the same as physiological hair loss. The amount of hair loss is very large, especially hair loss caused by fungal skin diseases, where the skin of the affected area forms circular flakes of hair loss.

2. A rash appears on the skin. If left untreated, the rash can spread over a large area and even cover the entire body.

3. Itchy skin. Dogs can become very irritable, scratching and biting. They may even bite themselves and cause infection.