Atropine and Metoclopramide interaction
Atropine and Metoclopramide: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.
Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.
What the FDA labels say
From the Metoclopramide label · effective 2026-05-18
Other important considerations in the differential diagnosis include central anticholinergic toxicity, heat stroke, malignant hyperthermia, drug fever, serotonin syndrome, and primary central nervous system pathology.
Examples antiperistaltic antidiarrheal drugs, anticholinergic drugs, and opiates Dopaminergic Agonists and Other Drugs that Increase Dopamine Concentrations Clinical Impact Decreased therapeutic effect of metoclopramide due to opposing effects on dopamine.
From the Atropine (Atropine Sulfate) label · effective 2026-08-31
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.
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.