As a rule, acute pain is a warning symptom of impending or real tissue
lesion. In contrast, chronic pain states are major problems of its ow
n. Recurrent pain syndromes have a special significance for the neurol
ogical discipline. Thorough evaluation of history, careful pain analys
is, and clinical examination are thought to be the most important appr
oaches to exact diagnosis and proper therapy. Onset of pain, time cour
se, rhythm, spatial distribution acid irradiation, quality, intensity,
and modulating factors should be assessed and documented.