A 30-year-old woman who is 15 weeks pregnant was presented with a history of positive anti-thyroid antibody of unknown subtype. She was diagnosed ten years prior and is treated with Synthroid. She complains of urticaria, flushing, and cramping abdominal pain with exercise. The symptoms began occurring occasionally twenty years ago and have been progressively increasing in frequency and severity. The symptoms are generally well controlled by daily doses of fexofenadine and ranitidine taken thirty minutes prior to exercising. She also states that she experiences at least two mild headaches per week.
She is concerned about the safety of her current medication regimen given her pregnancy. The physical exam is non-contributory. The report of her laboratory studies is attached. What could be the possible diagnosis for this patient? *This case is from Docplexus Editorial Team for educative…
