Drug interactions
Glycopyrrolate + Neostigmine
Severity: Minor
Glycopyrrolate and Neostigmine: 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
Glycopyrrolate blocks the muscarinic effects of neostigmine, notably bradycardia and excessive secretions. The pair is used together deliberately to reverse neuromuscular blockade.
What this interaction means in plain words
Glycopyrrolate and Neostigmine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Glycopyrrolate belongs to Respiratory; Neostigmine belongs to Central Nervous System.
Why it happens
Glycopyrrolate competitively antagonizes muscarinic receptors, countering acetylcholine accumulated by neostigmine.
What to do
When used for reversal, give together in an appropriate ratio and monitor heart rate and ECG. Outside anesthesia, avoid concurrent use if neostigmine is given for motility or myasthenia.
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 Neostigmine
Other interactions of Glycopyrrolate
- Glycopyrrolate + Potassium chloride Major
- Amitriptyline + Glycopyrrolate Moderate
- Atropine + Glycopyrrolate Moderate
- Bethanechol + Glycopyrrolate Moderate
- Chlorpromazine + Glycopyrrolate Moderate
- Clomipramine + Glycopyrrolate Moderate
Frequently asked questions
Can I take Glycopyrrolate with Neostigmine?
MediHelp rates the interaction as minor. Glycopyrrolate and Neostigmine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Glycopyrrolate blocks the muscarinic effects of neostigmine, notably bradycardia and excessive secretions. The pair is used together deliberately to reverse neuromuscular blockade.
How serious is the interaction between Glycopyrrolate and Neostigmine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: When used for reversal, give together in an appropriate ratio and monitor heart rate and ECG. Outside anesthesia, avoid concurrent use if neostigmine is given for motility or myasthenia.
What other medicines interact with Neostigmine?
MediHelp also lists interactions of Neostigmine with, for example, Huperzine a, Physostigmine, Pyridostigmine. The full list is on the Neostigmine page.
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