Antidepressant Therapeutic Uses

Antidepressant therapeutic uses encompass the clinical applications of medicines that reduce depressive symptoms and treat related mental health conditions. These drugs modify neurotransmitter signaling, commonly by inhibiting the reuptake or altering the activity of serotonin, norepinephrine, or dopamine, which can gradually influence mood, cognition, sleep, and emotional regulation. In pharmacology, antidepressants are used for major depressive disorder and may also support treatment of anxiety disorders, obsessive-compulsive disorder, post-traumatic stress disorder, and certain pain conditions. Understanding their mechanisms, therapeutic effects, and delayed clinical response helps guide medication selection, monitoring, and personalized patient care.

Antidepressant Therapeutic Uses - Related Videos

Education

JoVE Core - Pharmacology

Antidepressant Drugs: Overview

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2024

Antidepressant drugs are a class of medications primarily used for treating various mood disorders, including major depression, anxiety disorders, and other related conditions. These medicines work by modulating the neurotransmitter balance within the brain, alleviating depressive symptoms. Antidepressants can be broadly categorized into several groups according to their mechanism of action and chemical structure: Selective Serotonin Reuptake Inhibitors (SSRIs), Serotonin-Norepinephrine...

Antidepressant Drugs: MAOIs and Other Agents

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2024

Atypical antidepressants, including bupropion (Wellbutrin), mirtazapine (Remeron), nefazodone (Serzone), trazodone (Desyrel), and vilazodone (Viibryd), offer unique mechanisms of action. Bupropion weakly inhibits dopamine and norepinephrine reuptake, aiding depression treatment and smoking cessation, with a low risk of sexual dysfunction. Mirtazapine enhances serotonin and norepinephrine neurotransmission, leading to sedation, increased appetite, and weight gain. As a result, it helps treat...

Antidepressant Drugs: Tricyclics, SSRIs, and SNRIs

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2024

Tricyclic Antidepressants (TCAs), including Desipramine (Norpramin), Imipramine (Tofranil), Clomipramine (Anafranil), and Amitriptyline (Elavil), inhibit serotonin and norepinephrine reuptake and also block other receptors. They are used for depression, pain conditions, and insomnia. Common adverse effects include anticholinergic effects, sedation, orthostatic hypotension, and weight gain. They have a narrow therapeutic window and so require plasma-level monitoring. Abrupt discontinuation can...

Education

JoVE Core - Pharmacology
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Therapeutic Index

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2025

The therapeutic index of a drug is a key parameter in pharmacology that quantifies the relative safety of a drug by calculating the ratio between the dose that causes toxicity in half the population (50%) to the dose that proves to be effective for half the population (50%). It provides a spectrum of doses for a particular drug ranging from effective to potentially toxic. To illustrate, consider an anticoagulant agent like warfarin. It possesses a narrow window within its therapeutic index to...

Research

JoVE Journal - Biology

Development of New Therapeutic Applications Using Microfluidics

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2007

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