Acute Post-Traumatic Headache Can Have Features of Migraine

Increasing interest in mild traumatic brain injury (mTBI) has resulted from the disturbing identification of chronic traumatic encephalopathy in athletes and from the complications of war-related concussion in military personnel. Evidence proving a causal relation between acute head injury and specific symptoms, including headache, is sparse. Now, researchers have characterized the prevalence and clinical features of acute post-traumatic headache (APTH). They used the International Classification of Headache Disorders II (ICHD-II), according to which cardinal criteria of APTH include headaches with “no typical characteristics” and onset within 7 days. The authors assessed the impact of mood changes in the days immediately after mTBI and exa…