NGF and nociception -- Intracellular mechanisms of NGF action -- Pathophysiological mechanisms of inflammatory and neuropathic pain -- Experimental evidence for the involvement of NGF in inflammatory and neuropathic pain -- Pathophysiological mechanisms of migraine -- Pathophysiology of fibromyalgia -- Involvement of NGF in the pathophysiological mechanisms of migraine and fibromyalgia -- Potential of NGF targeting strategies in neuropathic pain, chronic migraine and Fibromylgia