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Will weight gain reduce once Carbimazole is stopped? - Online Doctor Chats

Date : 27-Feb-2014
User rating for this question
Very Good Posted in: Weight & Lifestyle
Answered by

General & Family Physician
Practicing since : 2004
Answered : 1631 Questions
User:hi I have pt on 19 pounds since nov taking carbinazole first 40mg the 20mg then 10mg now levels are low told o take 5mg will the weight gain stop
Doctor:I am Dr. XXXXXXX
Doctor:Yes, the weight gain will stop once carbimazole is stopped
User:i am now on 5mg per day will i still put on weight
Doctor:Possibly yes
User:at the same rate
Doctor:how are your thyroid hormone levels
Doctor:Not at the same rate
User:endo said the ts levels were now normal and to take 5mg instead of 10mg
Doctor:as the thyroid hormone levels start rising, your weight gain will stop
Doctor:and then you will start loosing the extra weight you put on
User:how long will this take
User:can i go hypo then
Doctor:This might take about 6 months
User:what is the normal thyroid level
Doctor:Normal thyroid levels are T3 (Triiodothyronine) Free (serum)
top of page
0-6 years: 2.4 -4.2 pg/mL
7-17 years: 2.9-5.1 pg/mL
> 18 years old: 2.3- 4.2 pg/mL      3.5 - 6.5 pmol/L
Doctor:T4 (thyroxine) Free (serum)
top of page      0.8 - 1.8 ng/L      10 - 23 pmol/L
Doctor:Thyroid-stimulating hormone (TSH) (serum)

top of page      0.5 - 4.70 µIU/mL

American Association of Clinical Endocrinologists guidelines changed their normal range for TSH to 0.3 - 3.04 mIU/L.      0.5 - 4.70 mIU/L
User:what happens then after 18 months of taking this med do i go into remission
Doctor:These are the normal ranges
Doctor:Yes, quite possibly you will go into remission
Doctor:and you will need thyroid hormone supplementation
User:she said i had graves disease my eyes are fine
Doctor:Oh, graves disease is an autoimmune disorder
Doctor:she must have tested for the antibodies to the thyroid binding protein
User:yes i know what happens after the 18 months of carbinazole
Doctor:that is how she diagnosed your condition
Doctor:and grave's disease need to always produce eye changes
Doctor:eye changes happen after long time
User:so its for life what happens as we know i cannot take carbinazole for a long XXXXXXX
Doctor:Is there anything else I can help you with?
Doctor:You don't need to take carbimazole once all the thyroid tissue is gone
Doctor:Meaning, carbimazole destroys the hyperactive thyroid tisse
Doctor:this hyperactive thyroid tissue is responsible for production of more thyroid hormone
User:she said i have responded well to the tablets what will happen when i stop the carbinazole
Doctor:Once that is gone, you will no longer need to take carbimazole
User:will i still have graves
Doctor:Since she is already tapering off the tablets, it means you are almost cured of your condition
Doctor:it is unlikely that you will develop graves again
User:oh great i thought it was foe life will my eyes change in future
Doctor:I think your thyroid tissue is almost destroyed now
Doctor:You said you don't have any eye changes
User:no i havnt now
Doctor:in that case your eye will remain now
Doctor:I mean, your eyes will remain as they are now
Doctor:they will not change if there is no excess thyroid hormone
User:thats good to hear do you recommenda diet whilst on carbinazole
Doctor:No, continue with your normal diet
User:but im always hungary i findwith these tablets
Doctor:as soon as you are taken off of carbimazole and start taking the supplemental thyroid hormones, your weight will reduce
User:will that be thyroxin
Doctor:That is an expected side effect of carbimazole
Doctor:yes, that will be thyroxine
User:ok thankyou bye
Doctor:You are welcome
Doctor:thank you for using the service
Doctor:have a good day
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