Drug interactions
Carbidopa-entacapone-levodopa + Meclizine
Severity: Minor
Carbidopa-entacapone-levodopa and Meclizine: 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
Meclizine has anticholinergic properties that can add to confusion, sedation and dry mouth in patients on Parkinson's therapy. Anticholinergics may slow gastric emptying and delay levodopa absorption, and may worsen dyskinesia.
What this interaction means in plain words
Carbidopa-entacapone-levodopa and Meclizine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Carbidopa-entacapone-levodopa belongs to Central Nervous System; Meclizine belongs to Respiratory.
Why it happens
Additive CNS and anticholinergic effects, with delayed gastric emptying that may slow levodopa absorption.
What to do
Monitor for confusion, sedation and changes in motor response, particularly in older patients. Use the lowest effective meclizine dose and for the shortest time.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Carbidopa-entacapone-levodopa and Meclizine, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
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
Other interactions of Meclizine
Frequently asked questions
Can I take Carbidopa-entacapone-levodopa with Meclizine?
MediHelp rates the interaction as minor. Carbidopa-entacapone-levodopa and Meclizine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Meclizine has anticholinergic properties that can add to confusion, sedation and dry mouth in patients on Parkinson's therapy. Anticholinergics may slow gastric emptying and delay levodopa absorption, and may worsen dyskinesia.
How serious is the interaction between Carbidopa-entacapone-levodopa and Meclizine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for confusion, sedation and changes in motor response, particularly in older patients. Use the lowest effective meclizine dose and for the shortest time.
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.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
