75mcg is a low dose. Ask for 25mcg dose increase in Levothyroxine
With Hashimoto's we are often poor converters.
As you also have PA gut is affected
But first you might improve by getting vitamin D around 100nmol . Vitamin D Mouth spray is effective as avoids poor gut function of Hashimoto's
Do you supplement magnesium?
But more importantly many, many of us find strictly gluten free diet helps or is essential
Getting coeliac blood test first, just to rule it out
What supplements do you take?
Selenium supplements can help improve conversion of FT4 to FT3
Hashimoto's affects the gut and leads to low stomach acid and then low vitamin levels
Low vitamin levels affect Thyroid hormone working
Poor gut function can lead leaky gut (literally holes in gut wall) this can cause food intolerances. Most common by far is gluten.
According to Izabella Wentz the Thyroid Pharmacist approx 5% with Hashimoto's are coeliac, but over 80% find gluten free diet helps, sometimes significantly. Either due to direct gluten intolerance (no test available) or due to leaky gut and gluten causing molecular mimicry (see Amy Myers link)
Changing to a strictly gluten free diet may help reduce symptoms, help gut heal and slowly lower TPO antibodies
Dr Toft, past president of the British Thyroid Association and leading endocrinologist, states in Pulse Magazine,
"The appropriate dose of levothyroxine is that which restores euthyroidism and serum TSH to the lower part of the reference range - 0.2-0.5mU/l.
In this case, free thyroxine is likely to be in the upper part of its reference range or even slightly elevated – 18-22pmol/l.
Most patients will feel well in that circumstance. But some need a higher dose of levothyroxine to suppress serum TSH and then the serum-free T4 concentration will be elevated at around 24-28pmol/l.
This 'exogenous subclinical hyperthyroidism' is not dangerous as long as serum T3 is unequivocally normal – that is, serum total around T3 1.7nmol/l (reference range 1.0-2.2nmol/l)."
You can obtain a copy of the articles from Thyroid UK email print it and highlight question 6 to show your doctor please email Dionne at
tukadmin@thyroiduk.org
Aim of Levothyroxine is to be on high enough dose to bring TSH down to around one
New NHS England Liothyronine guidelines November 2018
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HELP PLEASE: NEW BLOOD TEST RESULTS 
Just had my Thyroid Ultravit test results back can anyone please help with my understanding? Iron levels high for second year NO Supplements
T4/T3 advice for ongoing symptoms?
