A child wraps their arms around the dog. The dog freezes and growls. Stop the contact calmly and give both of them space. Do not scold the dog for warning, and do not tell the child to try again more gently. A growl can be the last audible step before a bite, especially if the dog cannot get away.
Keep the child and dog safely separated unless an attentive adult is close enough to intervene immediately. Even then, no hugging, leaning over, waking, or following the dog to a bed. Children should be taught to let the dog choose to approach and to step away when the dog moves off. If there has been a snap or bite, seek prompt medical care for any injury and consult your veterinarian and a qualified, reward-based behavior professional for a safety plan.
Listen for the quieter signs
Dogs often show discomfort before a growl: looking away, moving off, lip licking, becoming still, or tucking a tail. Watch the whole body, not only whether the dog is silent. Give the dog a retreat where children cannot follow. Adults manage gates and doors, do not make a child responsible for reading the dog's signals or remembering every rule.
A veterinary check matters if the growl is new or the dog seems painful. Training can help the dog feel safer around ordinary household movement, but nobody should practice hugs to test progress. The right goal is a home where the child and dog can relax without one being asked to endure the other's affection. For more on planning safe child-and-dog spaces, see the dog-and-child safety guide, keep hugs off the practice plan and use adult-controlled separa
Sources: Dogs Trust: Dogs and children living happily together. Dogs Trust: How to understand your dog's body language.