 [ Symptoms ] can you have an all over headache after having a panic or anxiety attack [ Disease ] tension type headaches would not be uncommon after an anxiety or panic attack anxiety can cause whole body responses not just headaches but neckaches backaches nausea upset stomach diarrhea elevated blood pressure and many other stress like reactions i have chronic migrains and i have been diagnosed with an anxiety disorder when i get anxious i almost always get a migraine and i visibly shake for a number of hours