Skip to content

Drug interactions

Pramlintide + Tiotropium

Severity: Moderate

Pramlintide 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

Pramlintide slows gastric emptying and gut motility, and anticholinergics also reduce GI motility. Together they may cause excessive delay in gastric emptying, constipation or ileus. Inhaled tiotropium has low systemic absorption, so the effect is likely modest.

What this interaction means in plain words

Pramlintide 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.

Pramlintide belongs to Endocrine; Tiotropium belongs to Respiratory.

Evidence level: Low

Why it happens

Additive inhibition of gastrointestinal motility via amylin agonism and antimuscarinic action.

What to do

Monitor for constipation, bloating and delayed gastric emptying, and watch for changes in postprandial glucose and insulin timing. Avoid the combination in gastroparesis.

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.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Pramlintide and Tiotropium, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 7 days on the web. No card needed.

Frequently asked questions

Can I take Pramlintide with Tiotropium?

MediHelp rates the interaction as moderate. Pramlintide 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. Pramlintide slows gastric emptying and gut motility, and anticholinergics also reduce GI motility. Together they may cause excessive delay in gastric emptying, constipation or ileus. Inhaled tiotropium has low systemic absorption, so the effect is likely modest.

How serious is the interaction between Pramlintide 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 constipation, bloating and delayed gastric emptying, and watch for changes in postprandial glucose and insulin timing. Avoid the combination in gastroparesis.

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.

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

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in