metabolite

Full Definition

Chemical compound produced when the body breaks down a medication through metabolic processes, typically in the liver. In psychopharmacology, metabolites can be active (having their own therapeutic or toxic effects) or inactive. Some medications are actually prodrugs that require conversion to active metabolites to work, while others produce toxic metabolites that cause side effects. Understanding metabolite activity is crucial for dosing, drug interactions, and monitoring therapeutic response.

Usage

Usage note: Distinguish between 'active metabolite' and 'inactive metabolite' when specificity is important.

In Context

• "The active metabolite of this antidepressant contributes significantly to its therapeutic effect." — Pharmacology review
• "Metabolite accumulation may explain the delayed onset of side effects." — Clinical research paper