Numbness in upper leg. jerky movments of the leg. itching in some areas, but no rash. sensation of cold and heat, spasms. stabbing pains?

Sympathetic nerves: While these symptoms are very disconcerting and frustrating, unlikely they suggest a serious abnormality. The autonomic nervous system is made up of a sympathetic and parasympathetic coordination which regulates our organ systems without our conscious control. These systems can become out of balance and create symptoms like yours. Breathing techniques and meditation have both been shown to help.