Drug interactions
Maprotiline + Pyridostigmine
Severity: Moderate
Maprotiline 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
The anticholinergic activity of maprotiline can oppose the effect of pyridostigmine. In myasthenia gravis this may blunt symptom control, although the effect is usually small.
What this interaction means in plain words
Maprotiline 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.
Maprotiline belongs to Central Nervous System; Pyridostigmine belongs to Central Nervous System.
Why it happens
Pharmacodynamic antagonism between muscarinic blockade and cholinesterase inhibition.
What to do
Monitor muscle strength and symptoms of myasthenia, and adjust pyridostigmine if control worsens. Prefer an antidepressant with lower anticholinergic burden where possible.
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 Maprotiline
- Arsenic trioxide + Maprotiline Contraindicated
- Disopyramide + Maprotiline Contraindicated
- Dofetilide + Maprotiline Contraindicated
- Ibutilide + Maprotiline Contraindicated
- Isocarboxazid + Maprotiline Contraindicated
- Maprotiline + Methylene blue Contraindicated
Other interactions of Pyridostigmine
Frequently asked questions
Can I take Maprotiline with Pyridostigmine?
MediHelp rates the interaction as moderate. Maprotiline 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. The anticholinergic activity of maprotiline can oppose the effect of pyridostigmine. In myasthenia gravis this may blunt symptom control, although the effect is usually small.
How serious is the interaction between Maprotiline 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 muscle strength and symptoms of myasthenia, and adjust pyridostigmine if control worsens. Prefer an antidepressant with lower anticholinergic burden where possible.
What other medicines interact with Maprotiline?
MediHelp also lists interactions of Maprotiline with, for example, Arsenic trioxide, Disopyramide, Dofetilide. The full list is on the Maprotiline page.
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