Case 8:  A 33-year-old Filipino gentleman was diagnosed with Graves' hyperthyroidism in September 2020, following symptoms, TSH < 0.001 mIU/L, tbl4 >100 pmol/L, tbl3 39 pmol/L, TRAb 33 IU/L, and anti-TPO Abs of 119 IU (NRR, 40 IU). He was started on carbimazole and achieved remission in a few months. In January 2021, he received radioactive iodine therapy as a definitive treatment. He remained in remission after that, and, on April 19, 2021, she got infected with COVID-19, after which a mild course requiring only simple analgesics was run. On May 3, 2021, he was examined for profound tiredness and his TFTs revealed a TSH of 90 mu/L and tbl4 < 4 pmol/L. He was started on levothyroxine (100 mcg) and his follow-up after 3 months signified the requirement for replacement therapy.