![]() Finally, behavioral treatment alone can positively influence chronic pain and disability in those with PTSD. Venlafaxine has also been demonstrated to be effective for PTSD and may likewise be of benefit for migraine prevention. Amitriptyline has been shown to be of some benefit for PTSD in at least 3 small clinical trials and is often used with success for migraine. Two considerations for those with both PTSD and migraine are amitriptyline and venlafaxine. While the largest body of evidence for efficacy for PTSD (alone) exists for selective serotonin reuptake inhibitors (SSRIs), SSRIs provide no or less benefit for migraine. PTSD has a negative impact on the disability of chronic pain patients and migraineurs with PTSD have greater disability than migraineurs without PTSD. Positive screens on either the PCL or PC-PTSD warrant further evaluation. Finally, a shorter screener, the Primary Care PTSD Screen (PC-PTSD) may be utilized. PTSD may also be screened for using the Life Event checklist with the validated questionnaire, the PTSD Checklist (PCL). PTSD may be screened for with casual questions about continually reliving a past traumatic event, with affirmative replies meriting further evaluation. Screening for anxiety or depression is not sufficient for capturing PTSD. Potential mechanisms include dysfunction of the central monoaminergic system and the hypothalamic-pituitary-adrenal (HPA) axis. ![]() ![]() There are several potential mechanisms for the association between PTSD and migraine. These findings were supported by a second clinic study of almost 600 migraineurs, with the most common TLE including: natural disaster, sudden violent death, combat & transportation accidents. 2,3 The most common traumatic life events (TLE) reported in one headache survey included learning about a close family member or friend who was hurt or killed, sudden injury/auto accident, observing someone being hurt/killed, and violent attacks. Migraineurs report almost twice as many traumatic stressors than those without headache. Notably, PTSD symptoms preceded migraine symptoms in almost 70% of those with migraine and PTSD. 3 Further, the 12-month and lifetime odds of PTSD in migraineurs was noted to be greater or comparable to the odds for either major depression or generalized anxiety in episodic migraineurs, (Figure 1). 2,3 In one general population study, the 12-month PTSD prevalence rate in migraineurs was 14.3%, and the lifetime PTSD prevalence rate was 21.5% in migraineurs as compared to 2.1% (12-month) and 4.5% (lifetime) in those without headache disorders. PTSD prevalence rates have been shown to be increased in those with migraine in multiple cohorts. The 12-month prevalence rate of PTSD is about 3.5%, and the lifetime prevalence rate 6.8%. ![]() The individual’s response involves emotionally re-experiencing the event, numbing of affect, avoidance of stimuli which are associated with the event, and increased arousal. PTSD occurs as a result of trauma arousing feelings of intense fear, helplessness, and horror. Post-Traumatic Stress Disorder (PTSD) & Migraine
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