NDT: How much NDT is equal to 25mcg levothyroxine ? - Thyroid UK

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How much NDT is equal to 25mcg levothyroxine ?

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foxglove
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Lalatoot profile image
Lalatoot

Well it's not. NDT contains T4 and T3. Levothyroxine is T4 only. If you look on the website of the make of NDT it may give you a break down of how much T4 and T3 in each grain. It varies slightly between makes .

If you have not been on NDT before then it is not a straight swop. You need to build up slowly.

SeasideSusie profile image
SeasideSusieRemembering

foxglove

Are you still taking 25mcg Levo plus 1/4 grain NDT?

If so are you thinking of swapping the 25mcg Levo for extra NDT?

If that is the case just increase your NDT by 1/4 grain for now, see how you feel in about 3 weeks. If necessary you can increase again. Take is slowly, increase gradually.

When testing and taking NDT, remember to split the dose the day before into 2 or 3 and take your last dose 8-12 hours before the test.

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