I took him to urgent care today as a precaution, they didn't seem TOO concerned (concerned enough to check his oxygen levels, said we weren't overreacting, but said he just needs to rest and drink fluids and take steamy showers). We're meeting with the neuro before the rep stim test on Friday to discuss whether he's going to stay on prednisone long-term (which may be moot if the rep stim test shows he's got generalized MG), we're going to ask him about his mestinon levels then. He's on 60mg three times a day, just as a trial. His neuro doesn't believe in doing Tensilon, so the mestinon was also for diagnostic purposes. From what I've read, prednisone can interfere with mestinon working.

He wasn't fatigued when his speech was slurring, the first time it was fairly early in the day. The second time was on a business trip, I can't speak to his fatigue levels then, but I don't think he got enough sleep the entire trip.