Depression Home > Tricyclic Antidepressants


People who take too much of a tricyclic antidepressant may have overdose symptoms that could include, but are not limited to:
  • Changes in heart rhythm (arrhythmia)
  • Very low blood pressure (hypotension)
  • Seizures
  • Confusion
  • Trouble concentrating
  • Hallucinations
  • Dilated (wide open) pupils
  • Agitation
  • Overactive reflexes
  • Drowsiness
  • Muscle tension
  • Vomiting
  • Low body temperature (hypothermia) or high fever (hyperpyrexia)
  • Loss of life.
If you happen to overdose, seek medical attention immediately.

A List of Tricyclic Antidepressants

There are 11 tricyclic antidepressants currently available:
Technically, maprotiline and amoxapine are tetracyclic antidepressants, due to their chemical structures. However, many sources classify them as tricyclic antidepressants, as they are so similar to tricyclic antidepressants. Also, amitriptyline is available in the following combination medications:
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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