Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
Emergency assessment is also needed after a recent serious assault or if the child may be in immediate danger.
Statements about suicide, a suicide attempt, severe self-harm, or threats to harm someone else require immediate crisis or emergency support.
Do not leave the child alone while arranging help.
Seek urgent help if the child develops worsening pain, repeated vomiting, unusual sleepiness, confusion, weakness, breathing problems, new bleeding, or signs of a serious infection.
Follow-up should address more than the original injury.
The care team may monitor healing, growth, development, sleep, school functioning, emotional health, and the child's sense of safety.
Repeat imaging or laboratory testing is sometimes needed, depending on the findings.
Routine follow-up may involve a primary care clinician, specialists, therapists, social workers, child protection professionals, and school staff.
Sharing information should follow privacy rules and focus on the child's care and safety.
The article also says
Children receiving mental health treatment may need ongoing visits to review symptoms and adjust the care plan.
Caregivers should tell the clinician about new fears, nightmares, regression, aggression, withdrawal, self-harm, or major changes in school performance.
Every sign above is quoted from the sofidex article on Child maltreatment. If you are not sure, err upward — it is always reasonable to be checked.