If you have other meds left over, I don't think it will hurt to use the cortifoam or canasa in the AM.
I have also found that afternoons are tough - that "in between" time for meds.
Try for a day or two and see how your body reacts.
Oh - you could also ask your doc for Anucort suppositories. They're the steroid ones. You could use one of them mid-morning to head off the PM gas.
Sometimes I feel like a guinea pigs with all of the things doctors like to try!
Sorry to hear you've been flaring so long - not fun.
Welcome to HealingWell!