Atropine and Metoclopramide Interaction

Drug interaction information between Atropine and Metoclopramide.

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

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

Atropine

Anticholinergic

Drug B

Metoclopramide

Prokinetic / Antiemetic

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 Atropine + Metoclopramide?

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: Atropine has 6 (also Mexiletine, Imipramine, Midazolam, Nabilone); Metoclopramide has 18 (also Acetaminophen, Cyclosporine, Tetracycline, Atovaquone/Proguanil).

What mechanism field is on file for Atropine and Metoclopramide?

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: Atropine (Anticholinergic); Metoclopramide (Prokinetic / Antiemetic).

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

Atropine

0 major · 0 moderate · 6 minor · 6 total

Metoclopramide

1 major · 4 moderate · 18 minor · 23 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.