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     Table 5.2:   Features of General Classes of Headaches

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This is from Chapter 5 of R. C. Schafer, DC, PhD, FICC's best-selling book: “Clinical Chiropractic: Upper Body Complaints”

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

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