Headaches are a symptom rather then the problem itself, and are generally a referred pain originating from various body origins.  They are a sign that something is amiss somewhere, whether it’s a pathophysiological or constitutional dilemma.  When treating headaches, especially chronic, it is imperative to look for its underlying cause.  By just relieving the pain, a causal pathology may worsen.  Relieving the pain is still a primary objective, but the reason for the headache will still need to be addressed.