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Psychopharmacology Glossary

100 terms total — 24 showing — Last updated 15 Sep 2026

loading dose

Intermediate Technical IVT

An initial higher dose given to rapidly achieve therapeutic drug levels.

Showing 25–48 of 100

cognitive side effect profile

Intermediate Technical IVT

The pattern of cognitive impairments or enhancements associated with a specific psychotropic medication or drug class.

Clinical Term Full entry →

cross-tolerance

Advanced Technical IVT

The phenomenon where tolerance to one substance reduces sensitivity to pharmacologically similar substances.

Technical Term Full entry →

CYP enzyme induction

Advanced Technical IVT

Increased production of cytochrome P450 enzymes, leading to enhanced drug metabolism.

Technical Term Full entry →

cytochrome P450

Advanced Technical IVT

A family of liver enzymes responsible for metabolizing most psychiatric medications.

Technical Term Full entry →

cytochrome P450 inhibition

Advanced Technical IVT

The process by which certain drugs block the enzymatic activity of CYP450 enzymes, potentially altering the metabolism o...

Technical Term Full entry →

depot injection

Intermediate Technical IVT

A long-acting formulation of medication given by injection that provides sustained drug release over weeks or months.

Technical Term Full entry →

discontinuation syndrome

Intermediate Technical IVT

A cluster of symptoms that occur when psychiatric medications are stopped abruptly or reduced too quickly.

Technical Term Full entry →

dopaminergic

Intermediate Technical IVT

Relating to or affecting dopamine neurotransmitter pathways in the brain.

Technical Term Full entry →

dose-response relationship

Intermediate Technical IVT

The correlation between drug dose and the magnitude of therapeutic or adverse effects.

Technical Term Full entry →

drug tolerance

Intermediate Technical IVT

Decreased responsiveness to a drug following repeated administration, requiring higher doses for the same effect.

Technical Term Full entry →

drug-drug interaction

Intermediate Technical IVT

When one medication affects the activity of another when taken concurrently.

Technical Term Full entry →

drug-induced mania

Intermediate Technical IVT

Manic episode triggered by medications, particularly antidepressants, stimulants, or corticosteroids, in susceptible ind...

Technical Term Full entry →

DUP

Advanced Technical IVT

Duration of Untreated Psychosis - the time period between onset of psychotic symptoms and initiation of adequate antipsy...

Abbreviation Full entry →

dystonia

Intermediate Technical IVT

Involuntary muscle contractions causing abnormal postures or repetitive movements, often occurring as an adverse effect...

Technical Term Full entry →

extrapyramidal symptoms

Advanced Technical IVT

Movement disorders caused by medications that affect dopamine pathways, including tremor, rigidity, and abnormal movemen...

Technical Term Full entry →

first-generation antipsychotic

Intermediate Technical IVT

Older antipsychotic medications that primarily block dopamine receptors, also known as typical or conventional antipsych...

Technical Term Full entry →

first-pass metabolism

Intermediate Technical IVT

Initial metabolism of an orally administered drug by the liver before reaching systemic circulation.

Technical Term Full entry →

GABA-ergic

Intermediate Technical IVT

Relating to or affecting gamma-aminobutyric acid neurotransmitter systems.

Technical Term Full entry →

half-life

Intermediate Technical IVT

The time required for the concentration of a drug in the body to reduce by half through metabolism and elimination.

Technical Term Full entry →

hyperprolactinemia

Intermediate Technical IVT

Elevated serum prolactin levels, commonly caused by dopamine-blocking antipsychotic medications.

Technical Term Full entry →

inverse agonist

Professional Technical

A drug that binds to the same receptor as an agonist but induces a pharmacological response opposite to that of the agon...

Technical Term Full entry →

kindling

Advanced Technical IVT

Neurobiological phenomenon where repeated subthreshold stimuli eventually trigger full seizures or mood episodes.

Technical Term Full entry →

lamotrigine rash

Advanced Technical IVT

Potentially serious skin reaction associated with lamotrigine therapy that can progress to life-threatening conditions l...

Technical Term Full entry →

lithium toxicity

Advanced Technical IVT

Dangerous elevation of lithium blood levels causing neurological, gastrointestinal, and renal symptoms that can be life-...

Technical Term Full entry →
Showing 25–48 of 100

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