NEURALGIA DE ARNOLD
The authors present a group of patients with frequent headaches not responding to usual treatment and analyze the present status of this subject. Daily or almost daily headaches are present in 5% of the population and most of these persons are not helped with treatment; therefore these headaches can be called refractory headaches and could be subject to invasive treatments. It is important to know the criteria to include a patient in this group, because before deciding in non-pharmacological modalities, safety should come first. In this article, the terms up to now utilized as transformed migraine, chronic daily headache, chronic migraine and refractory migraine, are analyzed. The correct use of this terminology allows advancement in investigating the pathophysiology and possible treatment of this disease.