PP, Having corrected vitamin deficiencies and low levels and found my 'sweet spot' with T4+T3 I certainly don't feel as well as I was 7 years ago before thyroid nonsense started. I'm a heck of a lot better than I was 5 years ago though.
I lost weight when I was Hyper and never put it back.
I know weight is a sore point on here , but I could ill afford to lose it as I am tall and slim.
I have noticed that I have dropped another 2or 3 pounds and hope it's not the T3 as I am beginning to resemble a 73 year old stick insect which is not a good look.
PP, low weight is a problem for me too. I gained 13kg in 6 months and loved how I looked. In hindsight I suspect it was the onset of Hashi's but at the time I felt very well. 2 or 3 years later I felt very hyper and ill and lost 13kg in 10 months. I lost another 7kg when I was switched to Levothyroxine. It's taken 3 years to gain 3kg and I'd be happy to gain another 4-5kg.
PP, I was recovering but not well on T3, but I was only on it for 3 months. I have no idea what thyroid levels were, other than TSH was probably suppressed, so I could have been over or under replaced. I was switched to T4 after RAI and felt poisoned but I was considerably over-replaced to suppress TSH and FT4 was very high for months. Dose was reduced over months but I got worse, not better.
T4 only causes me a lot of adverse effects but the addition of T3 calms them. I like the security of having some T4 in my system to see me through if there were to be shortages of T3 or I wasn't well enough to take thyroid meds for a couple of days.
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