Coffee and diarrhea

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I've recently increased to 125mcg levothyroxine and I've become sensitive to caffeine. Coffee and tea both now give me gas a diarrhea.

Does anyone else experience this?

Is there anyone that has worked out a way around this? Im going to try and take the meds at night to see if that helps.

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6 Replies

  • Posted

    Hiya..... I originally started out with a severe OVER active Thyroid & NOTHING stayed inside me!!!! After being treated with Radioactive drink at Christies Hospital in Manchester I became UNDER active.... Coffee does seem to affect me... But I find in the mornings I tend to have Diarrhea anyway.... what ever !! I do have a tea first & a coffee.. BUT even if I don't I still tend to get a dicky tum first thing. I guess trying to give it up might be worth a go??? Or going caffeine free??? It doesn't bother me most of the time as I think that it helps keep my weight under control!!!!  lol.... My only problem is that when i need to GO..... I REALLY need to go... if you get what I mean!!!

  • Posted

    Hello Christophe, yes, I've experienced the caffeine sensitivity. I assumed this happened when the dose was right, as I know I was self medication the thyroid symptoms with caffeine. But it could certainly be a side effect.

    Caffeine interferes with thyroxin function, so it's considered a dietary no no.

    As for the diarrhea, yes the levothyroxin was hard on the stomach. I took it with fruit. 

    • Posted

      Thanks for your reply.

      Does caffiene still affect you negatively? Is there anything that you have done to make it less worse for your stomach?

  • Posted

    Are you putting milk or creamer in your coffee? I am on a low dose levothyroxine. I take my meds first thing in the morning. I don't drink anything other than water for one hour after taking it and I wait 3 hours before eating any food. I haven't had any stomach problems.


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