Check TFT’s, Free T3/T4, Thyroid autoantibodies   Treatment – Fexofenadine 180mg once daily – If not working then increase to 180mg twice daily – If not working then add in cetirizine 10mg once daily – If not working then add in montelukast 10mg once daily – If not working then add in ranitidine 150mg-300mg once ..

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