diagnosis of any psychoactive substance dependence other than cocaine, marijuana, or nicotine

have a psychiatric disorder or neurological disease or disorder requiring ongoing treatment and/or making study participation unsafe

medical conditions contraindicating citalopram pharmacotherapy

taking medications known to have significant drug interactions with the study medication

pregnant or nursing for female patients

having plans to leave the immediate geographical area within 3 months

Citalopram for Cocaine Dependence