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Drug interactions

Glycopyrrolate + Risperidone

Severity: Minor

Glycopyrrolate and Risperidone: minor 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

Risperidone has some anticholinergic activity that may add to the antimuscarinic effects of glycopyrrolate. This can cause dry mouth, constipation, urinary retention, blurred vision and tachycardia, and may worsen confusion in susceptible patients.

What this interaction means in plain words

Glycopyrrolate and Risperidone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Glycopyrrolate belongs to Respiratory; Risperidone belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive antimuscarinic pharmacodynamic effects.

What to do

Monitor for anticholinergic symptoms such as constipation, urinary retention and confusion, especially in older patients. Reduce the glycopyrrolate dose if these symptoms appear.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Glycopyrrolate with Risperidone?

MediHelp rates the interaction as minor. Glycopyrrolate and Risperidone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Risperidone has some anticholinergic activity that may add to the antimuscarinic effects of glycopyrrolate. This can cause dry mouth, constipation, urinary retention, blurred vision and tachycardia, and may worsen confusion in susceptible patients.

How serious is the interaction between Glycopyrrolate and Risperidone?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for anticholinergic symptoms such as constipation, urinary retention and confusion, especially in older patients. Reduce the glycopyrrolate dose if these symptoms appear.

What other medicines interact with Risperidone?

MediHelp also lists interactions of Risperidone with, for example, Ibutilide, Vandetanib, Adagrasib. The full list is on the Risperidone page.

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