Due to their uneasiness on their feet and willingness to explore and climb, toddlers are prime candidates for head injuries and concussions. Unfortunately, toddlers aren’t always able to express their feelings accurately. For a parent or caregiver, this can be extremely scary. How do you know when a bump on the head is something more serious? What are the signs of a concussion in a toddler? How do you know when it’s time to call a doctor?