PieceByPiece Bluelighter Joined Mar 1, 2015 Messages 260 Location UK, England. Jun 6, 2015 #1 What's the absolute maximum dose of promethazine?
Black Bluelighter Joined Nov 26, 2004 Messages 2,882 Location Europe Jun 7, 2015 #2 75mg for a single dose and 150mg per day.