There are many reasons for dogs foaming at the mouth. It may be poisoning, severe brain trauma, heatstroke, etc. We need to send the dog to the hospital immediately after discovering that the dog is foaming at the mouth. Hospital, let professional doctors diagnose, and treat as soon as possible after determining the cause.
Tips:
Dogs like to eat randomly. When we take them out, we must control their mouths to prevent them from being poisoned by eating randomly.