Drug interactions
Cevimeline + Pyridostigmine
Severity: Moderate
Cevimeline and Pyridostigmine: 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
Cevimeline is a muscarinic agonist and pyridostigmine prolongs the action of acetylcholine. Together they may increase cholinergic adverse effects such as sweating, nausea, diarrhea, and bradycardia.
What this interaction means in plain words
Cevimeline and Pyridostigmine 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.
Cevimeline belongs to Miscellaneous; Pyridostigmine belongs to Central Nervous System.
Why it happens
Additive pharmacodynamic cholinergic effect from a muscarinic agonist and a cholinesterase inhibitor.
What to do
Monitor for cholinergic adverse effects, especially heart rate and gastrointestinal symptoms. Reduce a dose if effects are troublesome.
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 Pyridostigmine
Other interactions of Cevimeline
- Amitriptyline + Cevimeline Moderate
- Atenolol-chlorthalidone + Cevimeline Moderate
- Atenolol + Cevimeline Moderate
- Atropine + Cevimeline Moderate
- Betaxolol + Cevimeline Moderate
- Bethanechol + Cevimeline Moderate
Frequently asked questions
Can I take Cevimeline with Pyridostigmine?
MediHelp rates the interaction as moderate. Cevimeline and Pyridostigmine 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. Cevimeline is a muscarinic agonist and pyridostigmine prolongs the action of acetylcholine. Together they may increase cholinergic adverse effects such as sweating, nausea, diarrhea, and bradycardia.
How serious is the interaction between Cevimeline and Pyridostigmine?
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 cholinergic adverse effects, especially heart rate and gastrointestinal symptoms. Reduce a dose if effects are troublesome.
What other medicines interact with Pyridostigmine?
MediHelp also lists interactions of Pyridostigmine with, for example, Echothiophate iodide, Huperzine a, Neostigmine. The full list is on the Pyridostigmine page.
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