Drug interactions
Atropine iv / + Tiotropium-olodaterol
Severity: Moderate
Atropine iv / and Tiotropium-olodaterol: 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
Both tiotropium and atropine are antimuscarinic agents, so combined use adds to anticholinergic effects. Dry mouth, tachycardia, urinary retention, constipation, blurred vision and raised intraocular pressure may become more pronounced. Systemic atropine is much more potent systemically than inhaled tiotropium, so the added burden is usually modest.
What this interaction means in plain words
Atropine iv / and Tiotropium-olodaterol 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 such as urinary retention, tachycardia and glaucoma symptoms, especially in older patients or those with prostatic hypertrophy or narrow-angle glaucoma. Avoid regular concurrent use of other anticholinergics where possible.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Atropine iv / and Tiotropium-olodaterol, 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.
Other interactions of Tiotropium-olodaterol
Frequently asked questions
Can I take Atropine iv / with Tiotropium-olodaterol?
MediHelp rates the interaction as moderate. Atropine iv / and Tiotropium-olodaterol 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. Both tiotropium and atropine are antimuscarinic agents, so combined use adds to anticholinergic effects. Dry mouth, tachycardia, urinary retention, constipation, blurred vision and raised intraocular pressure may become more pronounced. Systemic atropine is much more potent systemically than inhaled tiotropium, so the added burden is usually modest.
How serious is the interaction between Atropine iv / and Tiotropium-olodaterol?
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 such as urinary retention, tachycardia and glaucoma symptoms, especially in older patients or those with prostatic hypertrophy or narrow-angle glaucoma. Avoid regular concurrent use of other anticholinergics where possible.
What other medicines interact with Tiotropium-olodaterol?
MediHelp also lists interactions of Tiotropium-olodaterol with, for example, Amisulpride, Arformoterol, Arsenic trioxide. The full list is on the Tiotropium-olodaterol 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.
