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A study of low-dose amitriptyline overdoses

Published Online:https://doi.org/10.1176/ajp.134.1.66

Although a 1-week supply of tricyclic antidepressants is generally considered safe, the author shows that this amount can be severely toxic. Six of 12 instances of low-dose (500-1000 mg) amitriptyline overdoses were life threatening. The author suggests that prescription guidelines for tricyclic antidepressants be tightened and that physicians prescribe less than a 1-week supply to potentially suicidal patients.

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