Intracranial hypertension (IH) is high pressure inside the skull, which may happen suddenly or build up gradually over time.
Our Health A-Z contains more information on High pressure headache.
Severe head injuries require immediate medical attention because there's a risk of serious brain damage.
Our Health A-Z contains more information on Major head injury.
Important: If you have these symptoms, they may be unrelated to any of these conditions listed. If you are concerned about your symptoms then you should see a doctor.