Drug interactions
Glycopyrronium tosylate + Tiotropium
Severity: Moderate
Glycopyrronium tosylate and Tiotropium: 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
Topical glycopyrronium tosylate is used for axillary hyperhidrosis and can be absorbed to a small degree. Together with tiotropium it may add to anticholinergic effects such as dry mouth, urinary retention and blurred vision.
What this interaction means in plain words
Glycopyrronium tosylate and Tiotropium 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.
Why it happens
Additive muscarinic receptor antagonism.
What to do
Monitor for anticholinergic effects and stop the topical product if urinary retention, eye pain or marked dry mouth develops.
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 Tiotropium
Frequently asked questions
Can I take Glycopyrronium tosylate with Tiotropium?
MediHelp rates the interaction as moderate. Glycopyrronium tosylate and Tiotropium 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. Topical glycopyrronium tosylate is used for axillary hyperhidrosis and can be absorbed to a small degree. Together with tiotropium it may add to anticholinergic effects such as dry mouth, urinary retention and blurred vision.
How serious is the interaction between Glycopyrronium tosylate and Tiotropium?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for anticholinergic effects and stop the topical product if urinary retention, eye pain or marked dry mouth develops.
What other medicines interact with Tiotropium?
MediHelp also lists interactions of Tiotropium with, for example, Glycopyrrolate inhaled, Indacaterol-glycopyrronium, Revefenacin. The full list is on the Tiotropium page.
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