Nortriptyline: study card

Nortriptyline — Tricyclic antidepressant (TCA). Study the mechanism, listed uses and warnings from the US label on one sourced card.

Generic name
Nortriptyline
Class
Tricyclic antidepressant (TCA)
Mechanism
Mechanism of mood elevation unknown; appears to interfere with transport, release and storage of catecholamines.
Used for
Relief of depressive symptoms in adults
Common side effects
Dry mouth; Blurred vision; Constipation; Urinary retention; Hypotension
Boxed warning
Antidepressants increased suicidal thinking and behavior in children, adolescents and young adults.
Warnings
Psychiatric MAOIs are contraindicated with nortriptyline and within 14 days of switching in either direction; Do not start nortriptyline in a patient receiving linezolid or intravenous methylene blue because of serotonin-syndrome risk
Interactions
Cimetidine; Anticholinergic / sympathomimetic drugs; CYP2D6 inhibitors

Brand questions use only name pairings verified against the linked product source. Unverified pairings are withheld from these questions; the other study content remains available.

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Label date: 20260903 · For learning, not clinical decisions. US label and brand information; always consult the current source.

Source snapshot checked: 2026-10-21. The source document and selected fields were compared. The complete card has not had an independent clinical review.

Pronunciation

Nortriptyline: nor-TRIP-ti-leen

Pronunciation is shown for the US English generic name.

Body system

Psychiatry · 30 Drug cards

Compare with related cards

Amitriptyline

Same class on both cards

Mechanism: Inhibits norepinephrine and serotonin uptake in adrenergic and serotonergic neurons. Its mechanism of antidepressant action in humans is not known; reuptake inhibition is a proposed explanation.

On both cards: Common side effects — Dry mouth; Blurred vision; Constipation; Urinary retention · Interactions — CYP2D6 inhibitors

Only on the Amitriptyline card: Used for — Depression · Common side effects — Orthostatic hypotension · Warnings — Concomitant MAOIs (contraindicated); Cisapride (QT prolongation risk); Acute recovery phase after MI · Interactions — MAOIs; Topiramate

Duloxetine

Same body system: Psychiatry

Mechanism: Exact mechanism unknown; believed to potentiate serotonergic and noradrenergic activity in the CNS.

On both cards: Common side effects — Dry mouth; Constipation

Only on the Duloxetine card: Used for — Major depressive disorder in adults; Generalized anxiety disorder in adults and children aged 7 years and older; Diabetic peripheral neuropathic pain in adults; Fibromyalgia in adults and adolescents aged 13 years and older; Chronic musculoskeletal pain in adults · Common side effects — Nausea; Somnolence; Hyperhidrosis · Warnings — Hepatotoxicity; Orthostatic hypotension, falls, syncope; Serotonin syndrome · Interactions — Potent CYP1A2 inhibitors; Potent CYP2D6 inhibitors; MAOIs

Quetiapine

Same body system: Psychiatry

Mechanism: Mechanism unclear; efficacy may be mediated by combined dopamine D2 and serotonin 5-HT2 receptor antagonism.

On both cards: Common side effects — Dry mouth; Constipation

Only on the Quetiapine card: Used for — Schizophrenia in adults and adolescents aged 13 years and older; Acute bipolar I mania as monotherapy in adults and children aged 10 years and older, or as adjunct to lithium/divalproex in adults; Acute bipolar depressive episodes as monotherapy in adults · Common side effects — Somnolence; Dizziness; Weight gain · Warnings — Neuroleptic malignant syndrome; Hyperglycemia, dyslipidemia, weight gain; Cerebrovascular events in elderly dementia · Interactions — Strong CYP3A4 inhibitors (ketoconazole, ritonavir); Strong CYP3A4 inducers (phenytoin, rifampin)

An item counts as shared only when both cards use the same wording. If a card does not list an item, that is not a statement that the effect never occurs.

Boxed warnings on related cards

Same boxed-warning wording on: Amitriptyline