do you have any other medical conditions which can cause brain fog?
excessive anxiety symptoms can cause brain fog
one option is to remove the rest of your thyroid surgically or with I-131 dosing so your hashimoto antibodies such as TPO antibodies will have no thyroid to inflame
and then go on thyroid hormone levels to keep your thyroid hormone levels steady.
armour also is very variable in how much thyroid hormone is in ease dose
this is a good article for you to read about armour
"So why do I and most other endocrinologists refuse to use desiccated thyroid?
There are a number of reasons. First and foremost, desiccated thyroid preparations have an unacceptable level of variability batch to batch, often resulting in unacceptable variation in thyroid-stimulating hormone. The current USP standards specify that the amounts of levothyroxine and liothyronine in each 65 mg of desiccated thyroid should be 38 mcg and 9 mcg; however, the actual amounts vary considerably. According to the American Society of Health-System Pharmacists “Big Red Book,” the mean concentrations of levothyroxine and liothyronine in each 60 mg of desiccated thyroid ranged from 8.8 mcg to 59 mcg and 7.9 mcg to 18 mcg, respectively."