Despite an increase in the number of available and effective antidepressants, many patients with depression respond poorly to drug treatment. At least a third of patients make an inadequate response to their first antidepressant monotherapy. Responses to subsequent courses are also limited.
Epidemiology/ Etiology. Discogenic pain is a form of low back pain, caused by chemically or mechanically damaged intervertebral discs.(level: 3A) This damage can find its origin in traumatic events, as well as in deterioration due to aging.
The strange thing is that neck pain is often absent â the pain signal is sent up and forward into the head.Usually Cervicogenic Headache causes pain in the back of the head â on one side only.Cervicogenic Headache can spread up the back of the head, round the side towards the ear or over the top into the forehead.Most people with Cervicogenic Headache will have previously injured their neck (a whiplash injury is typical) [3], or have had a head injury.