breakthrough symptom
Return of psychiatric symptoms despite ongoing medication treatment, indicating need for adjustment.
Full Definition
The reemergence or worsening of psychiatric symptoms in a patient who had previously achieved stability on a medication regimen. Breakthrough symptoms can occur due to various factors including inadequate dosing, medication nonadherence, drug interactions, stress, or development of tolerance. In mood disorders, breakthrough depression or mania may signal the need for dose optimization, medication switching, or augmentation strategies. The term is important in longitudinal treatment planning and distinguishes between treatment failure and temporary symptom exacerbation requiring intervention.
Usage
Usage note: Distinguish from 'rebound' symptoms which occur after discontinuation, and 'withdrawal' symptoms which are physiological responses to stopping medication.
In Context
- "The patient experienced breakthrough anxiety symptoms during finals week despite stable medication levels." — Outpatient psychiatry note
- "Breakthrough depressive episodes led to the decision to augment the current antidepressant regimen." — Treatment planning documentation