Drug interactions
Carbidopa-entacapone-levodopa + Epinephrine inhaled
Severity: Minor
Carbidopa-entacapone-levodopa and Epinephrine inhaled: 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
Entacapone inhibits COMT, one of the enzymes that metabolize catecholamines such as epinephrine. Systemic exposure from inhaled epinephrine is limited, but heart rate and blood pressure effects could be somewhat enhanced.
What this interaction means in plain words
Carbidopa-entacapone-levodopa and Epinephrine inhaled 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
COMT inhibition by entacapone reduces catecholamine metabolism.
What to do
Monitor heart rate, rhythm and blood pressure if frequent or high-dose inhaled epinephrine is used. No routine dose change is required.
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-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 Carbidopa-entacapone-levodopa with Epinephrine inhaled?
MediHelp rates the interaction as minor. Carbidopa-entacapone-levodopa and Epinephrine inhaled have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Entacapone inhibits COMT, one of the enzymes that metabolize catecholamines such as epinephrine. Systemic exposure from inhaled epinephrine is limited, but heart rate and blood pressure effects could be somewhat enhanced.
How serious is the interaction between Carbidopa-entacapone-levodopa and Epinephrine inhaled?
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 heart rate, rhythm and blood pressure if frequent or high-dose inhaled epinephrine is used. No routine dose change is required.
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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