I think i may have hyperactive sympathetic nervous system. causes intense physical anxiety symptoms& i cant shut down. i have tried fighting it &meds, but as a last resort would a sympathetic nerve clamp or possibly laparoscopic adrenalectomy work?

It is not feasible to provide a meaningful opinion without taking additional history, physical examination and may be some tests. It would be prudent to see your doctor and discuss if you may be depressed. Counter-intuitive as it may seem, exercise may help. Start with low intensity exercise such as walking and gradually increase the intensity as tolerated. Drink more water. Wish you good health!

Contact your regular physician and discuss your anxiety issues. You would be best advised to have a psychological or psychiatric consultation. Medications may or may not be a longterm answer, and perhaps it is better to engage in cognitive behavioral therapy.