Antidepressant, tricyclic
One of a class of medications used to treat depression. The tricyclic antidepressants are also used for some forms of anxiety, fibromyalgia, and the control of chronic pain. "Tricyclic" refers to the presence of three rings in the chemical structure of these drugs.

Medical dictionary. 2011.

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  • antidepressant drug — noun any of a class of drugs used to treat depression; often have undesirable side effects • Syn: ↑antidepressant • Hypernyms: ↑medicine, ↑medication, ↑medicament, ↑medicinal drug • Hyponyms: ↑ …   Useful english dictionary

  • tricyclic — noun 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 • Syn: ↑tricyclic antidepressant, ↑tricyclic antidepressant drug •… …   Useful english dictionary

  • tricyclic — tri·cy·clic ( )trī sī klik, sik lik adj being a chemical with three usu. fused rings in the molecular structure and esp. a tricyclic antidepressant tricyclic n TRICYCLIC ANTIDEPRESSANT * * * tri·cyc·lic (tri sikґlik) ( siґklik) containing three… …   Medical dictionary

  • Tricyclic antidepressant — Tricyclic antidepressants (abbreviation TCAs) are a class of antidepressant drugs first used in the 1950s. They are named after the drugs molecular structure, which contains three rings of atoms (compare tetracyclic antidepressant). Example… …   Wikipedia

  • tricyclic — [trī sī′klik, trīsik′lik] adj. containing three fused rings of atoms in the molecule n. any of a major group of antidepressant drugs that have a tricyclic molecular structure …   English World dictionary

  • Antidepressant — Fluoxetine (Prozac), an SSRI The chemical structure of …   Wikipedia

  • antidepressant — /an tee di pres euhnt, an tuy /, Pharm. adj. 1. of or pertaining to a substance that is used in the treatment of mood disorders, as characterized by various manic or depressive affects. n. 2. Also called energizer, psychic energizer. any such… …   Universalium

  • Tricyclic antidepressant — One of a class of medications used to treat depression. The tricyclic antidepressants are also used for some forms of anxiety, fibromyalgia, and the control of chronic pain. Tricyclic refers to the presence of three rings in the chemical… …   Medical dictionary

  • antidepressant — 1. Counteracting depression. 2. An agent used in treating depression. tetracyclic a. a class of antidepressants similar to the tricyclic antidepressants and also related to the phenothiazine antipsychotics; e.g., maprotiline. triazolopyridine a.… …   Medical dictionary

  • tricyclic antidepressant — noun 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 • Syn: ↑tricyclic, ↑tricyclic antidepressant drug • Hypernyms:… …   Useful english dictionary

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