Drug interactions
Ipratropium + Pyridostigmine
Severity: Minor
Ipratropium and Pyridostigmine: minor 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
Pyridostigmine increases acetylcholine at muscarinic receptors while ipratropium blocks them, so they can oppose each other. Inhaled ipratropium may blunt muscarinic side effects of pyridostigmine such as salivation or bronchial secretions, with little effect on nicotinic muscle benefit.
What this interaction means in plain words
Ipratropium and Pyridostigmine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Ipratropium belongs to Respiratory; Pyridostigmine belongs to Central Nervous System.
Why it happens
Pharmacodynamic antagonism at muscarinic receptors.
What to do
No dose change is generally needed. Monitor myasthenia control and bronchial secretions.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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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
Other interactions of Pyridostigmine
Frequently asked questions
Can I take Ipratropium with Pyridostigmine?
MediHelp rates the interaction as minor. Ipratropium and Pyridostigmine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Pyridostigmine increases acetylcholine at muscarinic receptors while ipratropium blocks them, so they can oppose each other. Inhaled ipratropium may blunt muscarinic side effects of pyridostigmine such as salivation or bronchial secretions, with little effect on nicotinic muscle benefit.
How serious is the interaction between Ipratropium and Pyridostigmine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No dose change is generally needed. Monitor myasthenia control and bronchial secretions.
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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