 [ Symptoms ] what would make my tsh levels suddenly jump to critically high level when i feel the same  i take synthroid 1 25 daily and yet my tsh is now 28 3 increased from 23 on friday why would it jump so quickly my dr is on vacation and i just want to make sure this is ok to wait until thursday when he comes back  [ Disease ] without insurance you can consider using an urgent care center in your neighborhood to have your condition checked out you will generally pay a flat rate for the care you receive it does not replace a relationship with a doctor which you may need if you have a health condition that requires on going care but at least you can get some idea as to what is going on without insurance you can consider using an urgent care center in your neighborhood to have your condition checked out you will generally pay a flat rate for the care you receive it does not replace a relationship with a doctor which you may need if you have a health condition that requires on going care but at least you can get some idea as to what is going on