Polypharmacy or medication washout: an old tool revisited

Area of Science:

• Psychiatry
• Clinical Pharmacology

Background:

• Increasing polypharmacy in psychiatry is driven by new drug availability and augmentation pressures.
• Newer psychotropic medications may not offer significant advantages and can increase safety risks.
• Medication washout is an underutilized clinical tool in current psychiatric practice.

Purpose of the Study:

• To re-evaluate the utility of medication washout as an alternative to medication augmentation in psychiatric treatment.
• To compare the intolerance rates and benefits of medication washout versus augmentation.

Main Methods:

• Review of studies comparing medication augmentation with medication washout procedures.
• Analysis of reported patient dropout rates due to intolerance for both methods.

Main Results:

• Augmentation therapy resulted in 9.1%-34.1% dropouts due to intolerance.
• Medication washout procedures showed significantly lower intolerance rates, ranging from 5.9%-7.8%.

Conclusions:

• Medication washout offers a safer alternative to augmentation, with lower intolerance.
• Washout establishes a new baseline, clarifies diagnosis, identifies medication efficacy, and reduces risks associated with polypharmacy.
• Despite resistance, medication washout is a valuable tool for optimizing psychiatric medication management and improving patient safety.