I have only worked in the Neuro ICU since October, but these are common on my unit:
Dilantin
Depakane/ Depakote (valparoic acid)
Keppra
Nicardipine
Neosynepherine (sp?)
Versed
Fentanyl
Insulin
Propofol
Mannitol
Labatalol
Hydralazine
Vasotec
various abx (ancef used common post op)
There may be others but I cannot think of any others at this time. Hope this is a help.