The hair loss and bald patch on the dog’s butt may be a skin disease caused by fungal bacterial infection or parasitic infection, or it may be caused by damage to the hair follicles. You need to check whether there are parasites, redness, swelling, dandruff, and knots on the dog’s body. Scab etc. If these conditions occur, it is caused by skin disease, and the dog needs to be treated in time.

Tip:

Use ointments or sprays to treat skin diseases on dogs. If the dog’s hair follicles are damaged, pay attention to taking care of the dog’s hair. It usually takes a while for new hair to grow.