“…To the Editor: I was puzzled by the discussion of the case report by Ahmed IM et al 1 Clinical presentation and biochemical tests in 1997 were fully consistent with a diagnosis of primary hypothyroidism (high thyroid stimulating hormone and low free thyroxine serum levels, hyponatremia, tiredness, lethargy). Cortisol level was normal, and thyroxine replacement therapy successfully restored thyroid function.…”