Thyrotoxicosis secondary to levothyroxine overdose presents multifaceted clinical  dilemmas influenced by dosage, patient age, and psychiatric factors. Our case, involving  a 32-year-old female with chronic hypothyroidism ingested a substantial amount of  levothyroxine, highlights the potential severity of such incidents. While accidental  poisoningismorecommoninpaediatricagegroup,our caseunderscores thesignificanceof  adult cases, particularly those with underlying psychiatric conditions. Prompt recognition  and intervention are paramount, given the risk of severe manifestations like thyroid  storm. Treatment strategies, including symptom management and hormone elimination,  facilitated the patient's recovery, emphasizing the importance of comprehensive  multidimensional care and heightened clinical vigilance. This case underscores the need  for tailored management approaches and multidisciplinary collaboration to optimize  outcomes in cases of levothyroxine intoxication induced thyrotoxicosis.