the intrapatient effect of starting ( group a , n = 16 ) , increasing ( group b , n = 19 ) , decreasing ( group c , n = 23 ) , and discontinuing ( group d , n = 34 ) the phenothiazines ( phzs ) thioridazine , chlorpromazine , or mesoridazine on serum phenytoin ( pht ) , phenobarbital ( pb ) , and primidone ( pri ) was studied at a constant antiepileptic drug regimen and between two consecutive steady-state concentration determinations in 92 institutionalized epileptic patients with psychiatric disorders .
C0033148
primidone
C0003299
antiepileptic