Awww, poor poochie. I'm sorry she's not feeling well. We've gone through that with our dog, too, especially when she was younger.
Actually right at this moment, my dog is trembling, but I think it's because the smoke alarm is chirping about once per minute and has been for the last 45 minutes or so. I can't seem to make is stop, and I think it means the battery is dead. But I know my husband has "fixed it" before, so I don't want to deactivate it if it's not dead yet. But I think it's scaring the poor girl.
Either that or she's sick, too.
I hope yours bounces right back, Rap. And wow, brave woman for considering taking her temp!
gg