Feature | Cranial Inflammation Headache | Extracranial Headache | Muscle Contraction Headache | Traction Headache | Vascular Headache |
Aggravated by head movements | Severe | Mild | Mild | Moderate | Severe |
Course | Acute | Acute–subacute | Subacute–chronic | Subacute–chronic | Acute |
GI disturbance | Mild–severe | Absent | Absent–mild | Moderate | Severe |
Laterality | Bilateral | Unilateral or bilateral | Bilateral usually | Unilateral or bilateral | Unilateral onset |
Neurologic focal signs | Present sometimes | Absent | Absent | Present sometimes | Present sometimes |
Severity | Severe | Mild–severe | Mild–severe | Usually mild | Severe |
Stiff neck | Severe | Absent | Mild | Mild–severe | Absent |
Throbbing | Present | Usually absent | Absent at onset, may arise later | Usually absent | At onset |
Visual disturbance | Present sometimes | Present in sinusitis | Absent | Present sometimes | Present |