Could it be side affects?

[morningside4518]

Hi,

I’m new to this forum. I have been taking Thyroxine 75mg (1x50 & 1x25) for the past twenty years and have never had any problems with it. Recently in the past month I have been feeling very edgy with at times a pounding hearbeat and also a bit low and fed up and quite anxious.Yesterday (and don’t know why I hadn’t noticed before) I noticed the 25mg was in a different box, much bigger tablet and supplied by Teva and not Mercury as my old ones were. Luckily I still had a box of my old ones so this morning I took one and honestly almost immediately I felt like a different person. No palpitations all day,no anxiousness or edginess. I popped into the pharmacist who provide my prescription and she said what ever ones arrive they give out!!! I made it clear I did not want the Treva ones again. Has this happened to anyone else? as I can’t believe that a 25mg tablet could have such an affect.

[Marz]

Good you discovered the problem. If you type - Teva - into the Search Box at the top of the page , over 600 posts appear with the mention of Teva ! Many have had a problem like you. Ensure you have the brand that suits ...

Welcome 😊

[morningside4518 in reply to Marz]

Thankyou

[helvella Administrator Thyroid UK in reply to Marz]

Exactly as you say, Marz.

But there are some who find Teva the best they have ever used. (Not me - I did not get on with it.)

morningside4518 - you seem to have posted the wrong dose! Helps to get the units right if you need to discuss with doctor or pharmacist.

dropbox.com/s/q00vyt5703f4u...

[morningside4518 in reply to helvella]

Hi, It’s the25mg one I have had the problem with. That’s the one they changed. The 50mg is still the same as I have always taken.

Regards

[MaisieGray in reply to morningside4518]

It's the units that you have wrong - you (hopefully) are taking 25 & 50 mcg, not mg, which is a thousand times larger.

[helvella Administrator Thyroid UK in reply to morningside4518]

I was trying to point out, as MaisieGray says, that the units are micrograms not milligrams.

[morningside4518 in reply to helvella]

Yes mcg not mg

[bantam12]

There are a lot of people reporting problems with Teva.

[morningside4518 in reply to bantam12]

Thankyou

[Nanaedake]

TEVA tablets contain manitol which I believe can make the tablet more stable, however, it appears that it might also make it more potent for some people. People can absorp tablets differently depending on the fillers. This seems to be especially true for levothyroxine which acts like a low index drug so small changes can make a very big difference.

Refer your pharmacist to the review of levothyroxine by the MHRA for further information. More importantly, simply insist on seeing the tablets before they are dispensed and take your prescription to a different pharmacy if they can't supply the ones you need. gov.uk/government/publicati...