seroquel XR (eXtender Release) can be taken just one-dose daily; usually 3 hours before bed-time without food or a light-meal. Seroquel immediate release should be taken 2 or 3 times daily. Seroquel...
Theoretically it is the same. It contains the same dose. BUT normal Seroquel is (way) stronger, as it lasts for 1/3 of the day.-> In the 1st hours, it knocks you out, fall asleep, last 1-2 hours...