Metoclopramide and Atropine Interaction

Drug interaction information between Metoclopramide and Atropine.

Metoclopramide and Atropine have a documented minor interaction in FDA labeling.

FDA drug labeling documents a minor-severity interaction between Metoclopramide and Atropine. 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

Metoclopramide

Prokinetic / Antiemetic

Drug B

Atropine

Anticholinergic

How They Interact

Metoclopramide speeds up the stomach and can cancel out the slowing effect that atropine has on digestion.

FDA Label Information

7 DRUG INTERACTIONS 7.1 Mexiletine Atropine Sulfate Injection decreased the rate of mexiletine absorption without altering the relative oral bioavailability; this delay in mexiletine absorption was reversed by the combination of atropine and intravenous metoclopramide during pretreatment for anesthesia.

Frequently Asked Questions

What SPL severity band is on file for Metoclopramide + Atropine?

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?

Metoclopramide has 23 labeled pairs on file vs Atropine's 6. In the minor band specifically: Metoclopramide has 18 (also Acetaminophen, Cyclosporine, Tetracycline, Atovaquone/Proguanil); Atropine has 6 (also Mexiletine, Imipramine, Midazolam, Nabilone).

What mechanism field is on file for Metoclopramide and Atropine?

Metoclopramide speeds up the stomach and can cancel out the slowing effect that atropine has on digestion.

Metoclopramide carries more major-labeled pairs than Atropine

SPL source-record counts only. This page's band is minor · classes on file: Metoclopramide (Prokinetic / Antiemetic); Atropine (Anticholinergic).

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

Metoclopramide

1 major · 4 moderate · 18 minor · 23 total

Atropine

0 major · 0 moderate · 6 minor · 6 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.