Off-label use of antipsychotics: rethinking "off-label"

Area of Science:

• Psychiatry
• Pharmacology

Background:

• Antipsychotics are officially indicated for psychosis, mania, and agitation.
• Off-label prescribing of antipsychotics is widespread for numerous psychiatric disorders.
• Challenges include legislative issues, undefined criteria, and lack of guidelines for off-label use.

Purpose of the Study:

• To review existing literature on the off-label use of antipsychotics.
• To combine evidence with clinical experience and national recommendation processes.
• To propose a new classification for the evolving indications of antipsychotics.

Main Methods:

• Medline search for controlled and naturalistic studies on off-label antipsychotic use.
• Integration of descriptive clinical experiences.
• Analysis of national recommendation development for off-label prescribing.

Main Results:

• Off-label use of antipsychotics is widely accepted in clinical practice.
• Evidence levels for off-label indications vary.
• Antipsychotics are increasingly used as antidepressants, anxiolytics, mood stabilizers, and for other effects.

Conclusions:

• The practice of off-label antipsychotic use is prevalent across psychiatric medications.
• The term "off-label" reflects evolving indications rather than a fixed scientific fact.
• A revised classification system is needed to reflect the expanding therapeutic roles of antipsychotics.