Holy Moly, when it rains, it pours, huh? As for your docs not seeing you when you are having flare-ups, call them when you're having one, tell them you're coming RIGHT NOW! And make them see you. If they won't see you, get a new doctor.
The job, what an absolute bugger! Are either of the other jobs offered to you still available? Perhaps you can still take on of those. IF not, don't worry too much. If three different places wanted you, you'll be able to find something else.
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If you're not dead, you've still got time.