Drug interactions
Atropine iv / + Neostigmine
Severity: Minor
Atropine iv / 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
Atropine blocks the muscarinic effects of neostigmine such as bradycardia, salivation and bronchial secretions. The combination is used intentionally during reversal of neuromuscular blockade.
What this interaction means in plain words
Atropine iv / 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.
Why it happens
Atropine competitively blocks muscarinic receptors, counteracting acetylcholine accumulated by cholinesterase inhibition.
What to do
When used for reversal of neuromuscular blockade, titrate atropine to heart rate and monitor ECG. Note that atropine does not block nicotinic effects.
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
Frequently asked questions
Can I take Atropine iv / with Neostigmine?
MediHelp rates the interaction as minor. Atropine iv / 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. Atropine blocks the muscarinic effects of neostigmine such as bradycardia, salivation and bronchial secretions. The combination is used intentionally during reversal of neuromuscular blockade.
How serious is the interaction between Atropine iv / 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 of neuromuscular blockade, titrate atropine to heart rate and monitor ECG. Note that atropine does not block nicotinic effects.
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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