My 91 year old Mum who has been on levothyroxine for years and is currently on 100mcg has just had test results back. Free T4 16.2 (12-22), free T3 2.6 (3.1-6.8), TSH 2.25 (0.3-4.2). The doctor said they are 'Fine'. Notes say raised FT4 and there is an exclamation mark next to the free T3 level. No significant abnormalities, no action needed. My Mum has been newly diagnosed with vascular dementia and I read that the thyroid hormones need to be optimised as that could be the cause of vascular dementia. Her levels were dropped to 75mcg in June as her TSH was 0.08 (0.3-4.2), free T4 (24.2 (12-22) and free T3 3.8 (3.1-6.8) but she was tested for thyroid without warning and had taken her levo that morning. I knew this so I have continued her levo at 100mcg. I did reduce slightly but Mum became very tired and slept most of the time so increased back up to 100mcg. I don't know what to do, the doctors just don't want to know. I have just gone onto Thiroyd myself and have breathlessness at the moment so I know its not just an easy switch. Any ideas would be appreciated. Mum is quite fit for her age but just has short term memory issues. Mum is only on levothyroxine, but I give her supplements B12, folate, vit D, etc.
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