
1) Tricyclic 2) Tricyclic antidepressant 3) Tricyclic antidepressant drug
Found on
https://www.crosswordclues.com/clue/protriptyline

Protriptyline (Vivactil) is a tricyclic antidepressant (TCA), specifically a secondary amine, indicated for the treatment of depression and ADHD. Unique among the TCAs, protriptyline tends to be energizing instead of sedating, and is sometimes used for narcolepsy to achieve a wakefulness-promoting effect. TCAs including protriptyline are also used...
Found on
http://en.wikipedia.org/wiki/Protriptyline

<chemical> Tricyclic antidepressant similar in action and side effects to imipramine. It may produce excitation. ... Pharmacological action: adrenergic uptake inhibitors, antidepressive agents, tricyclic. ... Chemical name: 5H-Dibenzo(a,d)cycloheptene-5-propanamine, N-methyl- ... (12 Dec 1998) ...
Found on
http://www.encyclo.co.uk/local/20973

(pro-trip´tĭ-lēn) a tricyclic antidepressant, also used in the treatment of attention-deficit/hyperactivity disorder, and narcolepsy; administered orally as the hydrochloride salt.
Found on
http://www.encyclo.co.uk/local/21001

[
n] - tricyclic antidepressant used to treat clinical depression
Found on
http://www.webdictionary.co.uk/definition.php?query=protriptyline
noun tricyclic antidepressant used to treat clinical depression
Found on
https://www.encyclo.co.uk/local/20974

a white to yellow powder, CHN, used for the treatment of depression.
Found on
https://www.infoplease.com/dictionary/protriptyline
No exact match found.