Yes.. olanzapine can cause drowsiness in day time...yes it can be substituted with another antipsychotics...But the point to be noted that it depends on your diagnosis and the current state of your disorder and functioning...So Consult your Psychiatrist for bringing changes in your treatment taking care of your excessive drowsiness...ok.. gudluck
Answered2017-10-15 06:11:43
1/1 people found this helpful