Compensatory Sweating
Compensatory sweating is excessive sweating that may occur on the back, chest, abdomen, legs, face, and buttocks as a side effect of ETS surgery. This side effect is grave because it can be equally or even more extreme than the original sweating problem.
In a study involving 121 patients at the Medical City Hospital of Dallas, Texas, compensatory sweating occurred in more than 80% of the patients undergoing ETS. Similarly, in a Danish study conducted at the Aarhus University Hospital, 90% of the patients undergoing ETS for underarm sweating, reported compensatory sweating, half of whom were forced to change their clothes during the day because of it. http://www.sweathelp.org/English/PFF_Treatment_Surgery.asp