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Problems Going From 100mcg To 75mcg

Updated March 24, 2009
Ecomar Says:
Tue, March 24, 2009

I have been on Levothyroxine (100mcg) for over a year and half. Recently my doctor had me tested to see where my thyriod level was. Aparently I tested a little hyperthyroid (although I didn't notice any symptoms) so she reduced the dosage to 75mcg. That was about 5 weeks ago. Since then I have been gaining weight and struggling to have energy to workout, although I'm forcing myself to keep my same workout routine. I didn't have to force myself before. Has anyone experienced this? I'm supposed to get tested again after being on the 75mcg for 8 weeks. Is the 25mcg difference that big a difference? I

1 Reply

1
Verwon Says:
Tue, March 24, 2009

Yes, it can make a big difference. Your body was used to the prior dosage and you suddenly switched to a lower one, so basically your are experiencing some mild withdrawal symptoms. Eventually your body should readjust to the new dosage.

If you continue to have a problem, then please call your doctor.

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