how long does levothyroxine stay in system?
how long does levothyroxine stay in system? I was on it for over 4 months and never felt any improvement in my chief complaints (extreme fatigue and joint pain). My initial TSH was 5.78, but 2 months after taking it, was down to .78, but then last week was down to .05, so I was given a new prescription for sythroid .1 mg (was on levo .125 mg). Since I had gone to the