Drug interactions
Atropine iv / + Carbidopa-entacapone-levodopa
Severity: Moderate
Atropine iv / and Carbidopa-entacapone-levodopa: 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
Systemic atropine can delay gastric emptying and reduce levodopa absorption. Anticholinergic effects may also worsen confusion, dyskinesia or constipation in patients with Parkinson's disease.
What this interaction means in plain words
Atropine iv / and Carbidopa-entacapone-levodopa 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
Anticholinergic slowing of gastric emptying and additive central anticholinergic effects.
What to do
Monitor motor response and cognition, and avoid prolonged anticholinergic use in older patients.
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 Carbidopa-entacapone-levodopa
- Carbidopa-entacapone-levodopa + Isocarboxazid Contraindicated
- Carbidopa-entacapone-levodopa + Phenelzine Contraindicated
- Carbidopa-entacapone-levodopa + Selegiline transdermal Contraindicated
- Carbidopa-entacapone-levodopa + Tranylcypromine Contraindicated
- Amisulpride + Carbidopa-entacapone-levodopa Major
- Asenapine transdermal + Carbidopa-entacapone-levodopa Major
Frequently asked questions
Can I take Atropine iv / with Carbidopa-entacapone-levodopa?
MediHelp rates the interaction as moderate. Atropine iv / and Carbidopa-entacapone-levodopa 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. Systemic atropine can delay gastric emptying and reduce levodopa absorption. Anticholinergic effects may also worsen confusion, dyskinesia or constipation in patients with Parkinson's disease.
How serious is the interaction between Atropine iv / and Carbidopa-entacapone-levodopa?
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 motor response and cognition, and avoid prolonged anticholinergic use in older patients.
What other medicines interact with Carbidopa-entacapone-levodopa?
MediHelp also lists interactions of Carbidopa-entacapone-levodopa with, for example, Isocarboxazid, Phenelzine, Selegiline transdermal. The full list is on the Carbidopa-entacapone-levodopa page.
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