i'm using aerocort inhaler(each actuation deliversBelcomethasone Dipropionate-50mcg;Levosalbutamol Tartrate-50mcg;Absolute alcohol-7.4% v/v suspended in propellant HFA)....i feel problem in breathing 2-3 times a day and i take a dose and taking it for 7-8 years and also have much mucus developed....but "i feel drowsy and headache after taking each dose"..i have to take a light sleep to gain the freshness...what should i do, should i change my inhaler or consult doc.????