Drug interactions
Carbidopa-levodopa + Dihydroergotamine intranasal
Severity: Minor
Carbidopa-levodopa and Dihydroergotamine intranasal: 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
Dihydroergotamine is a vasoconstrictor with serotonergic and dopaminergic activity. With levodopa, additive effects on blood pressure, nausea and dopaminergic effects are possible, but a clinically significant interaction is not well documented.
What this interaction means in plain words
Carbidopa-levodopa and Dihydroergotamine intranasal have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Overlapping dopaminergic and serotonergic receptor activity; no well-established mechanism for harm.
What to do
Monitor for nausea, blood pressure changes and worsening of parkinsonian symptoms or dyskinesia. No routine dose change is needed.
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 Carbidopa-levodopa
- Carbidopa-levodopa + Isocarboxazid Contraindicated
- Carbidopa-levodopa + Phenelzine Contraindicated
- Carbidopa-levodopa + Selegiline transdermal Contraindicated
- Carbidopa-levodopa + Tranylcypromine Contraindicated
- Amisulpride + Carbidopa-levodopa Major
- Asenapine + Carbidopa-levodopa Major
Frequently asked questions
Can I take Carbidopa-levodopa with Dihydroergotamine intranasal?
MediHelp rates the interaction as minor. Carbidopa-levodopa and Dihydroergotamine intranasal have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Dihydroergotamine is a vasoconstrictor with serotonergic and dopaminergic activity. With levodopa, additive effects on blood pressure, nausea and dopaminergic effects are possible, but a clinically significant interaction is not well documented.
How serious is the interaction between Carbidopa-levodopa and Dihydroergotamine intranasal?
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 nausea, blood pressure changes and worsening of parkinsonian symptoms or dyskinesia. No routine dose change is needed.
What other medicines interact with Carbidopa-levodopa?
MediHelp also lists interactions of Carbidopa-levodopa with, for example, Isocarboxazid, Phenelzine, Selegiline transdermal. The full list is on the Carbidopa-levodopa page.
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