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Drug interactions

Cevimeline + Glycopyrronium

Severity: Moderate

Cevimeline and Glycopyrronium: 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

Cevimeline is a muscarinic agonist used for dry mouth, and glycopyrronium is a muscarinic antagonist that causes dry mouth. The two oppose each other, which can blunt the benefit of cevimeline.

What this interaction means in plain words

Cevimeline and Glycopyrronium 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.

Cevimeline belongs to Miscellaneous; Glycopyrronium belongs to Respiratory.

Evidence level: Moderate

Why it happens

Pharmacodynamic antagonism at muscarinic receptors.

What to do

Avoid concurrent use where possible; if needed, monitor salivary response and adjust doses.

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?

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 Cevimeline with Glycopyrronium?

MediHelp rates the interaction as moderate. Cevimeline and Glycopyrronium 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. Cevimeline is a muscarinic agonist used for dry mouth, and glycopyrronium is a muscarinic antagonist that causes dry mouth. The two oppose each other, which can blunt the benefit of cevimeline.

How serious is the interaction between Cevimeline and Glycopyrronium?

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 concurrent use where possible; if needed, monitor salivary response and adjust doses.

What other medicines interact with Glycopyrronium?

MediHelp also lists interactions of Glycopyrronium with, for example, Clozapine, Potassium chloride, Abobotulinumtoxina. The full list is on the Glycopyrronium page.

Full monographs, dosing and an interaction checker in the MediHelp app

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