question: The doctor said I have the flu. I am taking Promethazine dm and it is actually making me very sleepy and weak. I actually feel worse after I take it. I have Brom/pse/dm syruo mor from about 2 months ago when I had bronchitis and it did not treat me the way Promethazine does. Can I take the Brom/pse/dm instead of the promethazine.