tricyclic antidepressant drug

Thân thiện

A doctor prescribes a tricyclic antidepressant drug to a patient.

Definition

Noun: A tricyclic antidepressant drug is a class of medication used to treat clinical depression and certain other conditions. It works by increasing the levels of specific neurotransmitters (norepinephrine and serotonin) in the brain by blocking their reabsorption (reuptake) by nerve cells, thereby making more available to improve communication between brain cells and elevate mood.

Usage

Tricyclic antidepressant drugs are prescribed by doctors for the treatment of major depressive disorder. They are typically considered when newer antidepressants are not suitable or effective. - Primary Use: Treating depression. - Secondary Uses: Sometimes used for chronic pain conditions, anxiety disorders, or insomnia, under medical supervision.

Examples

• The doctor prescribed a tricyclic antidepressant drug for her severe depression.
• Due to its side effect profile, a tricyclic antidepressant drug is often not the first-line treatment today.
• He experienced dry mouth, a common side effect of the tricyclic antidepressant drug.

Advanced Usage

• "Tricyclic" Refers to Structure: The name comes from the drug's chemical structure, which contains three rings of atoms ( meaning three, meaning ring).
• Historical Context: These were among the first generation of antidepressants developed and are still used, though newer classes (like SSRIs) are now more commonly prescribed first due to a better side effect profile for many patients.

Variants and Related Words

• Tricyclic (noun/adjective): Often used as a shorter form.
  • Example: She is on a tricyclic.
• TCA: A common abbreviation for "tricyclic antidepressant."
  • Example: The patient's chart noted a history of TCA use.
• Heterocyclic antidepressant: A broader technical term that includes tricyclics.

Synonyms

• Tricyclic
• TCA (abbreviation)
• Cyclic antidepressant (a less specific, broader term)

Antonyms

• Monoamine oxidase inhibitor (MAOI): An older, different class of antidepressant.
• Selective serotonin reuptake inhibitor (SSRI): A newer, different class of antidepressant.

Notes

• Caution: These drugs require a prescription and medical monitoring. They can have significant side effects (e.g., drowsiness, dry mouth, constipation, potential effects on heart rhythm) and can be dangerous in overdose.
• Not a Phrasal Verb/Idiom: This is a specific pharmaceutical compound term; it does not have phrasal verb or idiomatic uses.

Học thuật

Noun

1. an antidepressant drug that acts by blocking the reuptake of norepinephrine and serotonin and thus making more of those substances available to act on receptors in the brain

Từ đồng nghĩa

• tricyclic
• tricyclic antidepressant