RT Book, Section A1 Cantrell, F. Lee A2 Olson, Kent R. A2 Anderson, Ilene B. A2 Benowitz, Neal L. A2 Blanc, Paul D. A2 Clark, Richard F. A2 Kearney, Thomas E. A2 Kim-Katz, Susan Y. A2 Wu, Alan H. B. SR Print(0) ID 1174607198 T1 THYROID HORMONE T2 Poisoning & Drug Overdose, 7e YR 2018 FD 2018 PB McGraw-Hill Education PP New York, NY SN 9780071839792 LK accessmedicine.mhmedical.com/content.aspx?aid=1174607198 RD 2024/04/19 AB Thyroid hormone is available in the synthetic forms liothyronine (triiodothyronine, or T3), levothyroxine (tetraiodothyronine, or T4), and liotrix (both T3 and T4) and as natural desiccated animal thyroid (containing both T3 and T4). Dosage equivalents are listed in Table II–62. Despite concern about the potentially life-threatening manifestations of thyrotoxicosis, serious toxicity rarely occurs after acute thyroid hormone ingestion.