TY - JOUR T1 - Drowsiness due to chlorpromazine in relation to cigarette smoking: A report from the boston collaborative drug surveillance program AU - Swett C, Jr. Y1 - 1974/08/01 N1 - 10.1001/archpsyc.1974.01760140063010 JO - Archives of General Psychiatry SP - 211 EP - 213 VL - 31 IS - 2 N2 - The frequency of drowsiness attributed to orally administered chlorpromazine hydrochloride was compared among 130 nonsmokers and 201 "light" and 72 "heavy" cigarette smokers. Drowsiness occurred in 16%, 11%, and 3%, respectively. More rapid metabolism of chlorpromazine in cigarette smokers may explain these findings. SN - 0003-990X M3 - doi: 10.1001/archpsyc.1974.01760140063010 UR - http://dx.doi.org/10.1001/archpsyc.1974.01760140063010 ER -