Not only can't Lantus be mixed, it can't be given IV - must be given SQ.
Dilantin, Mannitol and Prevacid require IV filters.
Cerebrex is preferred over Dilantin when you don't have a central line (much less irritating and less paperwork

).
Do not run IV potassium boluses faster than 10meq per hour.
With Lortab and immediate release potassium (pill or powder), it's generally best to give with a few bites of food (jello, crackers, pudding) or some milk to help avoid N/V.
If your Mannitol is crystalized when you pull it from the omniscell/pexis, put it on top of the blanket warmer (or wrap in warm blankets) to desolve the crystals. If you need it right away, just pull another non-crystalized one, but put the other in a warm place for later use.
When giving dilantin suspension, dobbhoffs/NGs need flushed before giving and the tube feedings need to be held for an hour after dose to allow for proper absorption.