Drug interactions
Levodopa + Tiotropium-olodaterol
Severity: Minor
Levodopa and Tiotropium-olodaterol: 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
Anticholinergics can add to levodopa's antiparkinsonian effect, but may worsen dyskinesia and confusion. Systemic absorption of inhaled tiotropium is low, so the interaction is of limited clinical significance.
What this interaction means in plain words
Levodopa and Tiotropium-olodaterol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Levodopa belongs to Central Nervous System; Tiotropium-olodaterol belongs to Respiratory.
Why it happens
Pharmacodynamic overlap of antimuscarinic and dopaminergic effects, with theoretical delay in gastric emptying.
What to do
No routine change is needed. Watch for worsening dyskinesia, confusion or constipation in older patients.
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?
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Other interactions of Tiotropium-olodaterol
Other interactions of Levodopa
- Isocarboxazid + Levodopa Contraindicated
- Levodopa + Phenelzine Contraindicated
- Levodopa + Phenelzine (nonselective MAOI) Contraindicated
- Levodopa + Procarbazine Contraindicated
- Levodopa + Tranylcypromine Contraindicated
- Amisulpride + Levodopa Major
Frequently asked questions
Can I take Levodopa with Tiotropium-olodaterol?
MediHelp rates the interaction as minor. Levodopa and Tiotropium-olodaterol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Anticholinergics can add to levodopa's antiparkinsonian effect, but may worsen dyskinesia and confusion. Systemic absorption of inhaled tiotropium is low, so the interaction is of limited clinical significance.
How serious is the interaction between Levodopa and Tiotropium-olodaterol?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine change is needed. Watch for worsening dyskinesia, confusion or constipation in older patients.
What other medicines interact with Tiotropium-olodaterol?
MediHelp also lists interactions of Tiotropium-olodaterol with, for example, Amisulpride, Arformoterol, Arsenic trioxide. The full list is on the Tiotropium-olodaterol page.
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