Nabilone and Amitriptyline Interaction
Drug interaction information between Nabilone and Amitriptyline.
Nabilone and Amitriptyline have a documented minor interaction in FDA labeling.
FDA drug labeling documents a minor-severity interaction between Nabilone and Amitriptyline. This page displays the available source-record category and label text. The category is not an individual risk estimate or medication-combination direction.
How They Interact
Using these drugs together can cause a combined increase in your heart rate and blood pressure, along with extra sleepiness.
FDA Label Information
CONCOMITANT DRUG CLINICAL EFFECT(S) Amphetamines, cocaine, other sympathomimetic agents Additive hypertension, tachycardia, possibly cardiotoxicity Atropine, scopolamine, antihistamines, other anticholinergic agents Additive or super-additive tachycardia, drowsiness Amitriptyline, amoxapine, desipramine, other tricyclic antidepressants Additive tachycardia, hypertension, drowsiness Barbiturates, benzodiazepines, ethanol, lithium, opioids, buspirone, antihistamines, muscle relaxants, other CNS depressants Additive drowsiness and CNS depression Disulfiram A reversible hypomanic reaction was...
Nabilone Also Interacts With
- Fluoxetine minor
- Buspirone minor
- Diazepam minor
- Lithium minor
- Desipramine minor
Amitriptyline Also Interacts With
- Risperidone major
- Sertraline minor
- Fluoxetine minor
- Paroxetine minor
- Disulfiram minor
Frequently Asked Questions
What SPL severity band is on file for Nabilone + Amitriptyline?
Compiled FDA labeling labels this pair minor. That is a source-record field, not an individual medication-combination decision.
Which drug in this pair has the larger labeled-interaction portfolio?
Amitriptyline has 21 labeled pairs on file vs Nabilone's 11. In the minor band specifically: Nabilone has 11 (also Fluoxetine, Buspirone, Diazepam, Lithium); Amitriptyline has 20 (also Sertraline, Fluoxetine, Paroxetine, Disulfiram).
What mechanism field is on file for Nabilone and Amitriptyline?
Using these drugs together can cause a combined increase in your heart rate and blood pressure, along with extra sleepiness.
Amitriptyline carries more major-labeled pairs than Nabilone
SPL source-record counts only. This page's band is minor · classes on file: Nabilone (Cannabinoid Antiemetic); Amitriptyline (Tricyclic Antidepressant (TCA)).
Amitriptyline has 1 major-labeled pair vs Nabilone's 0. This page itself is in the minor band, not the major band.
0 major · 0 moderate · 11 minor · 11 total
- Other minor peers for Nabilone
- Fluoxetine
- Buspirone
- Diazepam
- Lithium
1 major · 0 moderate · 20 minor · 21 total
- Other minor peers for Amitriptyline
- Sertraline
- Fluoxetine
- Paroxetine
- Disulfiram
Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. This registry does not provide individual medication-combination directions.
Read our methodology - how this data is sourced, computed, and verified.