Some patients, who suddenly stop taking DULOXETINE BOEHRINGER INGELHEIM after more than 1 week of therapy, have had symptoms such as dizziness, tingling feelings like pins and needles, sleep disturbances (vivid dreams, nightmares, inability to sleep), feeling restless or agitated, feeling anxious, feeling sick (nausea) or being sick (vomiting), tremor (shakiness), headaches, feeling irritable, diarrhoea, excessive sweating or vertigo..