Drug interactions
Cyclobenzaprine + Methscopolamine
Severity: Moderate
Cyclobenzaprine and Methscopolamine: 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
Methscopolamine is a quaternary antimuscarinic with peripheral effects, and cyclobenzaprine has strong anticholinergic activity. Together they can cause additive dry mouth, constipation, urinary retention, blurred vision and tachycardia.
What this interaction means in plain words
Cyclobenzaprine and Methscopolamine 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.
Why it happens
Additive muscarinic receptor antagonism.
What to do
Monitor for peripheral anticholinergic effects such as urinary retention and constipation, and use the lowest effective doses. Avoid in narrow-angle glaucoma or obstructive GI or urinary conditions.
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 Cyclobenzaprine
- Cyclobenzaprine + Isocarboxazid Contraindicated
- Cyclobenzaprine + Linezolid Contraindicated
- Cyclobenzaprine + Phenelzine Contraindicated
- Cyclobenzaprine + Safinamide Contraindicated
- Cyclobenzaprine + Selegiline Contraindicated
- Cyclobenzaprine + Selegiline transdermal Contraindicated
Frequently asked questions
Can I take Cyclobenzaprine with Methscopolamine?
MediHelp rates the interaction as moderate. Cyclobenzaprine and Methscopolamine 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. Methscopolamine is a quaternary antimuscarinic with peripheral effects, and cyclobenzaprine has strong anticholinergic activity. Together they can cause additive dry mouth, constipation, urinary retention, blurred vision and tachycardia.
How serious is the interaction between Cyclobenzaprine and Methscopolamine?
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 peripheral anticholinergic effects such as urinary retention and constipation, and use the lowest effective doses. Avoid in narrow-angle glaucoma or obstructive GI or urinary conditions.
What other medicines interact with Cyclobenzaprine?
MediHelp also lists interactions of Cyclobenzaprine with, for example, Isocarboxazid, Linezolid, Phenelzine. The full list is on the Cyclobenzaprine page.
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