A Case ReportAbbas F. Hlaihel; Mudher Z. H. Al-Khairalla DISCLOSURES J Med Case Reports. 2019;13(311) Abstract and IntroductionAbstractBackground: Levothyroxine is a synthetic thyroxine and is the treatment of choice for hypothyroidism. It is a prohormone with minimal intrinsic activity. The drug is de-iodinated in peripheral tissue to form triiodothyronine, which is the active thyroid hormone....