Dothiepin 25 mg Tablet is thought to work by stopping your brain from releasing the chemicals that make you feel anxious so it can reduce the symptoms of excessive anxiety and worry. It can also reduce feelings of restlessness| tiredness| difficulty concentrating| irritability| and sleep problems that often come with Generalised Anxiety Disorder. It will| therefore| help you go about your daily activities more easily and be more productive. Keep taking this medicine even if you feel well. Stopping suddenly can cause serious problems.