The excision of axillary sweat glands can cause unsightly scarring and transthoracic sympathectomy (either open or endoscopic) can be associated with complications of compensatory and gustatory hyperhidrosis, Horner syndrome and neuralgia, some of which patients may find worse than the condition itself.
American Journal of Clinical Dermatology; 2003, Vol. 4 Issue 10, p681-697, 17p