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Tricyclic antidepressants (TCAs) are a class of medications that are used primarily as antidepressants. TCAs were discovered in the early 1950s and were marketed later in the decade. [ 1 ] They are named after their chemical structure , which contains three rings of atoms .
Promethazine and other first generation antihistamines with a tricyclic structure were discovered in the 1940s.; Chlorpromazine, derived from promethazine originally as a sedative, was found to have neuroleptic properties in the early 1950s, and was the first typical antipsychotic.
Desipramine is a tricyclic compound, specifically a dibenzazepine, and possesses three rings fused together with a side chain attached in its chemical structure. [43] Other dibenzazepine TCAs include imipramine (N-methyldesipramine), clomipramine, trimipramine, and lofepramine (N-(4-chlorobenzoylmethyl)desipramine).
Nortriptyline is a tricyclic compound, specifically a dibenzocycloheptadiene, and possesses three rings fused together with a side chain attached in its chemical structure. [43] Other dibenzocycloheptadiene tricyclic antidepressants include amitriptyline (N-methylnortriptyline), protriptyline, and butriptyline.
Dibenzoxepin, or dibenz[b,e]oxepin, is a tricyclic compound. It is the parent structure of certain drugs such as the tricyclic antidepressant doxepin and the analgesic fluradoline. [1] [2] [3] The former is the only tricyclic antidepressant that is a dibenzoxepin. [3]
Tricyclic antidepressants (TCAs) Bupropion. Let’s get to know each one better. stefanamer/istockphoto. SSRIs. The most commonly prescribed SSRIs include: Escitalopram (Lexapro)
Tricyclic antidepressants are a type of antidepressant introduced in the 20th century. They’re some of the first prescription medications to be approved by the FDA for use. Some people still use ...
Imipramine is a tricyclic compound, specifically a dibenzazepine, and possesses three rings fused together with a side chain attached in its chemical structure. [57] Other dibenzazepine TCAs include desipramine ( N -desmethylimipramine), clomipramine (3-chloroimipramine), trimipramine (2′-methylimipramine or β-methylimipramine), and ...