In the beginning I think you will go cross eyed seeing which enfeebs is up and which one is down. When you start playing the job more, it will be easier to pick up your Huton, jutsu, kassatsu, TA, etc. I recommend you play around with your HUD. Moving your target bar, hot bars, and status bar greatly helped me in this.

Another good thing that I saw on reddit was a ninjutsu macro, no not macro'ing in your mudras, but something like /wait19; /echo (soundeffect) Ninjutsu timer is up