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Related Experiment Video

Updated: May 31, 2026

Method for Identifying Small Molecule Inhibitors of the Protein-protein Interaction Between HCN1 and TRIP8b

Method for Identifying Small Molecule Inhibitors of the Protein-protein Interaction Between HCN1 and TRIP8b

Published on: November 11, 2016

Probable interaction between trazodone and carbamazepine.

A Sánchez-Romero, A Mayordomo-Aranda, R García-Delgado

Pharmacopsychiatry

|June 29, 2011

Summary

Adding trazodone to carbamazepine (CBZ) treatment may cause CBZ intoxication. Stopping trazodone resolved symptoms and lowered CBZ levels, indicating a likely drug interaction in chronic care.

Related Experiment Videos

Last Updated: May 31, 2026

Method for Identifying Small Molecule Inhibitors of the Protein-protein Interaction Between HCN1 and TRIP8b

Method for Identifying Small Molecule Inhibitors of the Protein-protein Interaction Between HCN1 and TRIP8b

Published on: November 11, 2016

Area of Science:

Pharmacology
Clinical Pharmacy
Drug Interactions

Background:

Long-term management of chronic conditions often requires polypharmacy.
Concurrent drug use increases the risk of adverse drug interactions.
Understanding these interactions is crucial for patient safety.

Observation:

A patient on chronic carbamazepine (CBZ) therapy developed symptoms of CBZ intoxication.
The patient's serum CBZ concentration was elevated concurrently with trazodone administration.
Discontinuation of trazodone led to symptom resolution and a decrease in CBZ levels.

Findings:

A potential drug interaction between trazodone and carbamazepine was identified.
Trazodone may inhibit the metabolism of carbamazepine, leading to increased serum concentrations.
This interaction can result in carbamazepine toxicity.

Implications:

Clinicians should monitor CBZ levels when initiating or adjusting trazodone therapy.
Awareness of this interaction is important for managing patients with epilepsy or bipolar disorder.
This case highlights the need for careful medication review in patients with chronic illnesses.