DRUG TREATMENTS IN MENTAL RETARDATION See Also Our Bibliography On Levitas, Andrew et al. Delirium and hypothermia associated with a combination of risperidone and phenytoin. MENT HEALTH ASPECTS DEVEL DISABIL, 1998, 1(3), 7982. http://www.brandeis.edu/lemberg/SGHL/Subpages/Collections/bibs/Drugtreat90.PDF