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Drug interactions

Chlorpromazine + Glycopyrrolate inhaled

Severity: Minor

Chlorpromazine and Glycopyrrolate inhaled: 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

Inhaled glycopyrrolate is minimally absorbed systemically, but some systemic anticholinergic effects may add to those of chlorpromazine. Clinically meaningful effects are uncommon at usual doses.

What this interaction means in plain words

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

Evidence level: Low

Why it happens

Possible additive antimuscarinic effects from small systemic exposure to inhaled glycopyrrolate.

What to do

No routine change is needed; watch for urinary retention, constipation or dry mouth, particularly in older patients or those with glaucoma or prostatic hyperplasia.

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 Chlorpromazine with Glycopyrrolate inhaled?

MediHelp rates the interaction as minor. Chlorpromazine and Glycopyrrolate inhaled have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Inhaled glycopyrrolate is minimally absorbed systemically, but some systemic anticholinergic effects may add to those of chlorpromazine. Clinically meaningful effects are uncommon at usual doses.

How serious is the interaction between Chlorpromazine and Glycopyrrolate inhaled?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine change is needed; watch for urinary retention, constipation or dry mouth, particularly in older patients or those with glaucoma or prostatic hyperplasia.

What other medicines interact with Chlorpromazine?

MediHelp also lists interactions of Chlorpromazine with, for example, Dofetilide, Dronedarone, Droperidol. The full list is on the Chlorpromazine page.

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