The different approaches of the UK and US drug regulators have been noted more than once in this column. A current case in point concerns the thyroid drugs and, in particular, thyroxine sodium, m ...
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,