No offense Theaterfan, but I think it's a little early to start saying their having problems. I will admit, I was kinda worried when they announced Teal's return but since her debut this month she sounds healthy and seems to be pacing herself quite nicely. Elphaba is a VERY demanding role, whether you like the show or not, the fact that most girls who have played her have said it was immensely difficult should say something. I'm happy she is doing well and at least taking things slow and if not feeling 100% well, then taking a show off.
Katie, she has been missing shows alot since her Broadway stint, but I think she is contracted to do only 6 shows a week sorta like Kendra
"Life in theater is give and take...but you need to be ready to give more then you take..."