A mild traumatic brain injury caused by an impact to the head or body that shakes the brain inside the skull.
Step-by-Step Guidance
Stop the activity, sit down, and keep the head stable. Do not return to sports or activity.

Apply a cold pack wrapped in a cloth to the bump or sore area on the skull for 10 minutes to reduce local bruising.

Ask simple questions: 'What day is it?', 'Where are we?'. Check for slurred speech or dizziness.

Watch for worsening symptoms over the next 2-4 hours. Check if they vomit or complain of visual double-vision.

Take the patient to a clinic or doctor for a full neurological assessment.

7 - 14 days
Timeline is typical for uncomplicated healing. Always follow doctor guidance.