I don't believe so, but just because you're really sweaty, in your case i'll make an exception. So yes uncontrollable sweating is only going to be fatal for you! Didn't you hear, trolls die from this EVERY DAY! *facepalm*
Hyperhidrosis can be fatal. The condition can lead to the development of other conditions such as a pounding heartbeat which might be fatal. However, the condition can be managed in several ways including use of antiperspirants and medication.