Receptor occupancy is in the first 24 hours for most drugs.
Some have short half lives ...so you need to dose up every 12 hours.
Zyprexa is once a day material but take it at night!
Six weeks minimum! It's really is an art psychiatry. My American doc had two bi polar twins.....what worked for one didn't work for the other...not sure if they were identical...but tells you something!
Have faith....monitor your moods, symptoms and keep it cool! You'll be fine! But give it at least six weeks!