Anyone found out they were taking too much levothyroxine for a thyroid issue and found they have shortness of breath with a very strong heartbeat? Have been looked over by the doctor today and had full bloods done so am waiting for results. Interested to know peoples’ experience... I’m convinced it’s linked x
Over medicating for thyroid? - Fertility Network UK
Over medicating for thyroid?


That sounds scary. I am so sorry to read this. Hopefully it was worth it and the thyroid thing fixed. Xx

Thanks. I don’t know if I’m right at the moment as haven’t had the blood test results back but I think it’s that. Obviously I could be totally wrong. Just to add to everything else going on at the mo!! Xx
Hello, yes I have been on this for my last 2 cycles and they double the dose if I do get pregnant, definitely found palpatations and suffer from a scallop tongue when they change dosage, you need to do thyroid bloods every weeks, also natural supplements can intervene too, takes a while to get dosage right so hang on in there as it's crucial your balanced for Fertility, hope this helps
I think you are on too much levothyroxine. My understanding is that palpitations are a warning signal and not normal. What are your blood test results? When I was trying to conceive my clinic wanted the level below 2.5 (tsh I think). Low is good for getting pregnant. Too high can cause problems conceiving, but I don't think you should be on so much that you have palpitations. The range that they want in the different trimesters varies slightly. If you get pregnant I can dig out the levels that they want mine to be at. I was expecting to have to take more levothyroxine but have not had to adjust my dose as my blood levels are OK.