Despite such classification,

hallucinogens and cannabinoids are used by patients with headache on occasion. Cannabinoids in particular have a long history of click here use for headache and migraine before prohibition and are still used by patients as a migraine abortive. Hallucinogens are being increasing used by cluster headache patients outside of physician recommendation mainly to abort a cluster period and to maintain quiescence for which there is considerable anecdotal success. “
“The mechanisms underlying the genesis of migraine pain remain enigmatic largely because of the absence of any identifiable cephalic pathology. Based on numerous indirect lines of evidence, 2 nonmutually exclusive hypotheses have been put forward. The first theorizes that migraine pain originates in the periphery and requires the activation of primary afferent nociceptive neurons that innervate cephalic tissues, primarily the cranial meninges and their related blood vessels. The second maintains that

nociceptor activation may not be required and that the headache is promoted PF2341066 primarily as a result of abnormal processing of sensory signals in the central nervous system. This paper reviews the evidence leading to these disparate theories while siding with the primacy of nociceptor activation in the genesis migraine headache. The paper further examines the potential future use of established human models of migraine for addressing the origin of migraine headache. “
“(Headache 2010;50:42-51) Objective.— acetylcholine To evaluate in a headache clinic population the relationship of childhood maltreatment on the prevalence of pain conditions comorbid with migraine. Background.— Childhood maltreatment is highly prevalent and has been frequently associated with recurrent headache. The relationship

of maltreatment and pain has, however, been a subject of some debate. Methods.— Cross-sectional data on self-reported physician-diagnosed pain conditions were electronically collected from persons with migraine (diagnosed according to International Classification of Headache Disorders-2), seeking treatment in headache clinics at 11 centers across the US and Canada. These included irritable bowel syndrome (IBS), chronic fatigue syndrome (CFS), fibromyalgia (FM), interstitial cystitis (IC), arthritis, endometriosis, and uterine fibroids. Other information included demographics, migraine characteristics (frequency, headache-related disability), remote and current depression (The Patient Health Questionnaire-9), and remote and current anxiety (The Beck Anxiety Inventory). Patients also completed the Childhood Trauma Questionnaire regarding sexual, emotional, and physical abuse, and emotional and physical neglect under the age of 18 years old.