the combination of fentanyl and droperidol lowered the threshold for both clonic and tonic convulsions at the two lower doses ( 12.5 micrograms/kg fentanyl + 0.625 mg/kg droperidol and 25 micrograms/kg fentanyl + 1.25 mg/kg droperidol ) .
C0015846
fentanyl
C0117480
fentanyl