Drug interactions
Hyoscyamine spray + Ipratropium
Severity: Moderate
Hyoscyamine spray and Ipratropium: 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
Hyoscyamine given as an oral spray is absorbed systemically and has antimuscarinic effects that may add to those of ipratropium. This can produce dry mouth, constipation, urinary retention and blurred vision.
What this interaction means in plain words
Hyoscyamine spray and Ipratropium 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 blockade.
What to do
Monitor for anticholinergic effects and reduce the hyoscyamine dose if they occur. Avoid in narrow-angle glaucoma or urinary obstruction.
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 Ipratropium
- Aclidinium + Ipratropium Moderate
- Benztropine + Ipratropium Moderate
- Bethanechol + Ipratropium Moderate
- Cevimeline + Ipratropium Moderate
- Chlorpromazine + Ipratropium Moderate
- Clomipramine + Ipratropium Moderate
Frequently asked questions
Can I take Hyoscyamine spray with Ipratropium?
MediHelp rates the interaction as moderate. Hyoscyamine spray and Ipratropium 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. Hyoscyamine given as an oral spray is absorbed systemically and has antimuscarinic effects that may add to those of ipratropium. This can produce dry mouth, constipation, urinary retention and blurred vision.
How serious is the interaction between Hyoscyamine spray and Ipratropium?
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 reduce the hyoscyamine dose if they occur. Avoid in narrow-angle glaucoma or urinary obstruction.
What other medicines interact with Ipratropium?
MediHelp also lists interactions of Ipratropium with, for example, Aclidinium, Benztropine, Bethanechol. The full list is on the Ipratropium page.
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