Drug interactions
Entacapone + Epinephrine inhaled
Severity: Minor
Entacapone 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, which is one pathway for catecholamine metabolism, so epinephrine effects may be prolonged. With inhaled epinephrine, systemic exposure is low, so the effect is usually small.
What this interaction means in plain words
Entacapone 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
No dose change is usually needed. Monitor heart rate and blood pressure if frequent or high doses are used.
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 Entacapone
- Entacapone + Isocarboxazid Contraindicated
- Entacapone + Phenelzine Contraindicated
- Entacapone + Tranylcypromine Contraindicated
- Amisulpride + Entacapone Major
- Entacapone + Metoclopramide Major
- Entacapone + Metoclopramide intranasal Major
Frequently asked questions
Can I take Entacapone with Epinephrine inhaled?
MediHelp rates the interaction as minor. Entacapone 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, which is one pathway for catecholamine metabolism, so epinephrine effects may be prolonged. With inhaled epinephrine, systemic exposure is low, so the effect is usually small.
How serious is the interaction between Entacapone 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: No dose change is usually needed. Monitor heart rate and blood pressure if frequent or high doses are used.
What other medicines interact with Entacapone?
MediHelp also lists interactions of Entacapone with, for example, Isocarboxazid, Phenelzine, Tranylcypromine. The full list is on the Entacapone page.
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