Low thyroid and sodium

Posted by dawnteach @dawnteach, May 30, 2023

I am diagnosed with syndrome of antidiuretic hormone and take sodium prescription. Even when I take the sodium, use sodium, and reduce water consumption, my sodium level runs 133-135. More recently, I've been diagnosed with Hashimotos disease and take Synthyoid. Thyroid levels are normal but I'm starting with symptoms like I had before Synthroid. Could there be a correlation between my low sodium and thyroid function? Can my diet be contributing to my thyroid function? I eat an extremely healthy diet of vegetables, fruit, dairy, healthy oils, protein. No sugar no flour. Any ideas appreciated

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@catherinebird

Interesting. I’ve been on Synthroid for years , due to radiation treatment for Graves’ disease. I am also chronically lower in sodium, usually testing in the same range as you are. My doctor thinks there is no issue as the acceptable bottom range is 136, which is just above my testing levels. My doctor prescribed nothing, just advising to eat as much sodium as I am comfortable with.

I suffer with serious dizzy spells and sweating which he feels is not related to my sodium level. The sweating seems to be related to my thyroid medication, as it stops within 2 days if I go off the Synthroid. We have not been able to find any correlation in any with regards to the dizzy spells and they are seriously impacting my life and I am u able to drive a lot of the time anymore.

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I am also on Synthroid (levothyroxine) and started on the medication in February 2024. The TSH was 15.5. In May it dropped to 1.4 and then to the .67 in a month and the dizzy spells were becoming unrelenting. My blood tests were done and I had a sodium level of 131. It seems today doctors have started treating patients through portal systems. It is the most frustrating and unworkable healthcare creation ever developed since the wait time for a response is 2 to 3 days. Then I finally hear from them and I get the brush off, or, "you're just getting used to the medication, or you're doing something wrong", etc. I was so debilitated I went to a clinic on the advice of my pharmacist. There was an NP in charge and he read my test results, and said you really need sodium. He gave me a Meyers Cocktail infusion and it was very helpful and now, I drink a V8 in the morning and the dizzy spells stopped over the last 3 days. I know it sounds so simple, but adding the high sodium drink seems has given me a few days where I am slowly letting go of the fear of the sudden onset of dizzy spells that happen unexpectedly. I know you're sodium level is higher than mine, but you never know.

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I was told to cut fluid down and down, but still my sodium stayed at 134. The lowest was when I was in a car accident.( no else involved) sodium was 121.( can go into coma below 120) I am 72 and have to add salt to everything and I also take salt supplements on top of it. The highest ever is 135.
I have learned when I notice I am going to the restroom frequently to increase salt real fast. Drinking high sodium drinks help. The worst was taking sodium Chloride tablets. It changed my taste buds and some with smell ( no COVID) but I keep them handy for emergency.
As long as it stable to your “ normal” you can work from there.
Any sickness like flu,etc make sure you don’t become dehydrated. If you think you are, watch how you feel. You may need medical attention
Good luck with SIADH.( syndrome of inappropriate antidiuretic hormone secretion)

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