Abstract
Melatonin, the primary hormone secreted by the pineal gland, regulates central and peripheral oscillators and adapts the internal environment to the external one through MT1 and MT2 receptors. The authors present a case of 16-year-old male intentionally overdosed on 900mg of melatonin (180 tablets) and 10 tablets of 0.5mg alprazolam. Admitted to the emergency department, he was extremely drowsy and minimally responsive with a Glasgow coma scale score of 8/15. Vital signs were stable, and no renal or liver dysfunction was noted. Elevated total leucocyte count and positive benzodiazepine urine test were observed. Gastric lavage was performed, and toxicology reports showed blood alprazolam levels at 0.15 mg/litre eight hours post-overdose. The patient regained consciousness 32 hours post-ingestion and was transferred to the psychiatry unit. This case underscores the increasing abuse of melatonin due to its easy availability and lack of regulation. Although melatonin has a low toxicity potential, side effects and interactions with other drugs can be severe. Supportive measures and vital sign control are crucial in overdose treatment.
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