Reply To: Sweating
It would not be GBS after 26 years. GBS is usually a single event and RGBS seldom occurs after a couple years. More likely would be CIDP, MMN, MADSAM, or similar disorders. Small Fiber Neuropathies (SFN) often includes sweating of the face and neck. Please see this article for more details:
Please read these topic threads for some additional info:
I hope you find the info you are seeking and a remedy for your annoying symptoms.