De mest almindelige rapporterede bivirkninger hos patienter i behandling med XERISTAR var kvalme, hovedpine, mundtørhed, søvnighed, træthed, søvnløshed, svimmelhed og obstipation.
21 The most commonly reported adverse reactions in patients treated with XERISTAR were nausea, headache, dry mouth, somnolence, fatigue, insomnia, dizziness and constipation.