Drug interactions
Atropine + Glycopyrrolate
Severity: Moderate
Atropine and Glycopyrrolate: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Both are antimuscarinic drugs, so combined use duplicates therapy and increases anticholinergic effects. Patients may develop dry mouth, tachycardia, urinary retention, constipation and blurred vision.
What this interaction means in plain words
Atropine and Glycopyrrolate can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Atropine belongs to Miscellaneous; Glycopyrrolate belongs to Respiratory.
Why it happens
Additive muscarinic receptor antagonism.
What to do
Avoid duplicate antimuscarinic therapy unless clinically intended, for example in anesthesia. Monitor heart rate, bowel and bladder function.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Atropine
- Atropine + Eluxadoline Major
- Atropine + Henbane Major
- Atropine + Pramlintide Major
- Abobotulinumtoxina + Atropine Moderate
- Aclidinium + Atropine Moderate
- Amantadine + Atropine Moderate
Other interactions of Glycopyrrolate
- Glycopyrrolate + Potassium chloride Major
- Amitriptyline + Glycopyrrolate Moderate
- Bethanechol + Glycopyrrolate Moderate
- Chlorpromazine + Glycopyrrolate Moderate
- Clomipramine + Glycopyrrolate Moderate
- Clozapine + Glycopyrrolate Moderate
Frequently asked questions
Can I take Atropine with Glycopyrrolate?
MediHelp rates the interaction as moderate. Atropine and Glycopyrrolate can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Both are antimuscarinic drugs, so combined use duplicates therapy and increases anticholinergic effects. Patients may develop dry mouth, tachycardia, urinary retention, constipation and blurred vision.
How serious is the interaction between Atropine and Glycopyrrolate?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid duplicate antimuscarinic therapy unless clinically intended, for example in anesthesia. Monitor heart rate, bowel and bladder function.
What other medicines interact with Atropine?
MediHelp also lists interactions of Atropine with, for example, Eluxadoline, Henbane, Pramlintide. The full list is on the Atropine page.
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