Re the articles (WDDTY, vol 12 no 5) on thyroxine sodium, our daughter has been prescribed this (and anhydrous levothyroxine sodium and anhydrous thyroxine sodium) from birth.
In the early 90s, I was diagnosed with Hashimoto’s thyroiditis and improved considerably on a daily dose of 125 mcg thyroxine (Norton brand) until 1999, when unbeknownst to me,