Amphotericin B and Dronabinol Interaction

Drug interaction information between Amphotericin B and Dronabinol.

Amphotericin B and Dronabinol have a documented minor interaction in FDA labeling.

FDA drug labeling documents a minor-severity interaction between Amphotericin B and Dronabinol. This page displays the available source-record category and label text. The category is not an individual risk estimate or medication-combination direction.

Drug A

Amphotericin B

Polyene Antifungal

Drug B

Dronabinol

Cannabinoid Antiemetic

How They Interact

Both drugs compete for the same spots on proteins in the blood. This can cause more of the amphotericin B to be active in the body than usual.

FDA Label Information

(7.3) Highly protein-bound drugs: Potential for displacement of other drugs from plasma proteins; monitor for adverse reactions to concomitant highly protein-bound drugs and narrow therapeutic index drugs (e.g., warfarin, cyclosporine, amphotericin B) when initiating or increasing the dosage of dronabinol capsules. Although this displacement has not been confirmed in vivo , monitor patients for increased adverse reactions to narrow therapeutic index drugs that are highly protein-bound (e.g., warfarin, cyclosporine, amphotericin B) when initiating treatment or increasing the dosage of...

Frequently Asked Questions

What SPL severity band is on file for Amphotericin B + Dronabinol?

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?

Amphotericin B has 12 labeled pairs on file vs Dronabinol's 9. In the minor band specifically: Amphotericin B has 9 (also Ketoconazole, Anidulafungin, Dexamethasone, Fluconazole); Dronabinol has 9 (also Warfarin, Ketoconazole, Fluconazole, Cyclosporine).

What mechanism field is on file for Amphotericin B and Dronabinol?

Both drugs compete for the same spots on proteins in the blood. This can cause more of the amphotericin B to be active in the body than usual.

Amphotericin B carries more major-labeled pairs than Dronabinol

SPL source-record counts only. This page's band is minor · classes on file: Amphotericin B (Polyene Antifungal); Dronabinol (Cannabinoid Antiemetic).

Amphotericin B has 1 major-labeled pair vs Dronabinol's 0. This page itself is in the minor band, not the major band.

Amphotericin B

1 major · 2 moderate · 9 minor · 12 total

Dronabinol

0 major · 0 moderate · 9 minor · 9 total

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.