Tricyclic antidepressant overdose is caused by excessive use or overdose of a tricyclic antidepressant drug. It is a significant cause of fatal drug poisoning. The severe morbidity and mortality associated with these drugs is well documented due to their cardiovascular and neurological toxicity. Additionally, it is a serious problem in the pediatric population due to their potential toxicity and the availability of these in the home when prescribed for bed wetting and depression.
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