research O-21 FROM ORAL LEVOTHYROXINE RESISTANCE TO INTRAVENOUS LEVOTHYROXINE HYPERSENSITIVITY: A CHALLENGING PRIMARY HYPOTHYROIDISM CASE
The researchers reported a case of a 51-year-old woman with primary hypothyroidism who developed anaphylaxis to intravenous levothyroxine after being unresponsive to oral formulations, highlighting potential allergic reactions to IV treatments in such patients.
