Yes the utilization of Fast DSR can indeed lead to the occurrence of dry mouth The dryness of the mouth is primarily attributed to the presence of Domperidone in Fast DSR When you encounter dry mouth as a result it is advised to increase your water intake significantly Make sure to have a bottle of water within your reach while you sleep Additionally it is beneficial to reduce your consumption of alcohol and avoid smoking altogether If you are already experiencing dry mouth consider utilizing alcoholfree mouthwash as its usage can reduce the risk of tooth decay that may arise otherwise