When is a head injury so serious that you should see a doctor?

Open/Closed Head Inj. My HealthTap colleagues mentioned critical factors 2 consider after a head injury in relation 2 seeking care. I'd add that more & more we R learning about importance of getting evaluated after a "closed" head injury - the kind of injury that involves suffering a blow to the head or having your head jerked around a lot - even a "minor" one. (Think: football.) The effects can persist.
Bleeding, skull inju. If there is bleeding, skull injury, parts of brain showing needs emergency visit.
Anytime . If you say head injury, get checked. Certainly with unconsciousness involved. Persistent headache or neurological symptoms.