Drug interactions
Glycopyrronium + Pyridostigmine
Severity: Minor
Glycopyrronium 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
Glycopyrronium blocks the muscarinic adverse effects of pyridostigmine such as salivation, cramping and diarrhea, and is sometimes used for that purpose. It does not impair the nicotinic benefit in myasthenia, but it may mask early signs of cholinergic excess.
What this interaction means in plain words
Glycopyrronium 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.
Glycopyrronium belongs to Respiratory; Pyridostigmine belongs to Central Nervous System.
Why it happens
Pyridostigmine inhibits acetylcholinesterase, whereas glycopyrronium blocks muscarinic receptors, so the muscarinic effects are antagonised.
What to do
Use deliberately where needed to control muscarinic effects, and monitor for muscle weakness that could reflect cholinergic crisis being masked.
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 Glycopyrronium
- Clozapine + Glycopyrronium Major
- Abobotulinumtoxina + Glycopyrronium Moderate
- Aclidinium + Glycopyrronium Moderate
- Amantadine + Glycopyrronium Moderate
- Amitriptyline + Glycopyrronium Moderate
- Amoxapine + Glycopyrronium Moderate
Other interactions of Pyridostigmine
Frequently asked questions
Can I take Glycopyrronium with Pyridostigmine?
MediHelp rates the interaction as minor. Glycopyrronium 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. Glycopyrronium blocks the muscarinic adverse effects of pyridostigmine such as salivation, cramping and diarrhea, and is sometimes used for that purpose. It does not impair the nicotinic benefit in myasthenia, but it may mask early signs of cholinergic excess.
How serious is the interaction between Glycopyrronium 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: Use deliberately where needed to control muscarinic effects, and monitor for muscle weakness that could reflect cholinergic crisis being masked.
What other medicines interact with Glycopyrronium?
MediHelp also lists interactions of Glycopyrronium with, for example, Clozapine, Abobotulinumtoxina, Aclidinium. The full list is on the Glycopyrronium page.
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