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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Does B-12 Affect Thyroid Levels?

I had my thyroid removed in February and have been taking Synthroid. I started at 125 and am now at 88 and I am very hypertyroid. I take my meds 30 - 1hour before breakfast. I also take B-12 after my breakfast. I was wondering if the B-12 could be affecting my levels that are too high
Tue, 3 Mar 2015
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Internal Medicine Specialist 's  Response
HI
FIRST I MUST APPRECIATE YOU FOR PROPERLY FOLLOWING INSTRUCTIONS WHILE TAKING THYROID MEDICINES.
B 12 TABLETS DONT HAVE EFFECT ON THYROID.SO YOU CAN CONTIUE TAKING THEM AFTER BREAKFAST.
SINCE YOUR THYROID LEVELS ARE HIGH,I WILL SUGGEST YOU TO DO TSH TEST.DEPENDING ON TSH ,YOUR PHYSICIAN WILL REDUCE THYROXINE DOSE.
I HOPE I HAVE CLEARED YOUR DOUBTS.I AM HAPPY TO ANSWER IF YOU HAVE FURTHER QUESTIONS
THANKS
DR PRANAY BUDKULE
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Does B-12 Affect Thyroid Levels?

HI FIRST I MUST APPRECIATE YOU FOR PROPERLY FOLLOWING INSTRUCTIONS WHILE TAKING THYROID MEDICINES. B 12 TABLETS DONT HAVE EFFECT ON THYROID.SO YOU CAN CONTIUE TAKING THEM AFTER BREAKFAST. SINCE YOUR THYROID LEVELS ARE HIGH,I WILL SUGGEST YOU TO DO TSH TEST.DEPENDING ON TSH ,YOUR PHYSICIAN WILL REDUCE THYROXINE DOSE. I HOPE I HAVE CLEARED YOUR DOUBTS.I AM HAPPY TO ANSWER IF YOU HAVE FURTHER QUESTIONS THANKS DR PRANAY BUDKULE