Thyroid UK

Could I be feeling bad because I am overmedicating?

Hi everyone, my last official chat about my dose led to the GP suggesting that I take 75 and 100 alternately, and to know if I'm feeling hyper to come back down to 75. Recently I have been taking 100 every day (I just want to feel as well as I can and had still been getting really tired) Recently, frustrated with tiredness and without consultation, I started taking 150, this has only been for the last 3 days. I know it's stupid, I've just been so depressed and though it might be my dose being too low. But I feel even worse, I feel so tired and worn out, and little exertion makes me feel terrible, like pre-medication. Shall I come back to alternate 75 and 100? Is it too much medication? I Feel silly having taking matters into my own hands and plus have been impatient.

I got some blood test results recently and my TSH was non-existent, although it's been like that ever since I went on 50 back in December.

my T3 was upto 6.2 (3-7) after being 2.5 before I started any meds.

My ferritin has dropped to 52 (13-200) (from 63 about 3 months ago), and I know I probably need more iron to help things along, but the GP never seems to mention this. Whats the best way to get the extra iron.

My b12 is above the reference range and everything else is all normal.

The reason I upped my meds is because my life had got more active so I was convinced I needed more. But I guess 75/100 going to 150 is pretty drastic and I feel stupid now but hoping to get some advice on what's best.

1 Reply

MK366, Levothyroxine is usually increased in increments of 25mcg so whizzing to 150mcg isn't a good idea, although 3 days of it won't have damaged you. It takes a few weeks for Levothyroxine to be absorbed and for the body to react to any increase so stick with 100mcg for 6 weeks (unless you feel over medicated) and have a follow up thyroid blood test.

Your FT3 is good now but I didn't *feel* better until 6/8 weeks after my FT3 serum was good.

Get ferrous fumarate OTC at your chemist. Take each dose with 500mg-1,000mg vitamin C to aid absorption and mitigate constipation. Take iron 4 hours away from Levothyroxine.

You didn't mention vitamin D. It's worth getting this tested as it's often low/deficient in hypothyroid people and we need vitD high in range.

I hope you'll feel better soon.

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