Drug interactions
Escitalopram + Penbutolol
Severity: Minor
Escitalopram and Penbutolol: 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
Escitalopram weakly inhibits CYP2D6, which could modestly raise some beta-blocker concentrations. The clinical relevance for penbutolol is uncertain and likely small.
What this interaction means in plain words
Escitalopram and Penbutolol 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
Weak CYP2D6 inhibition by escitalopram; effect on penbutolol is theoretical.
What to do
No dose change is generally needed. Monitor heart rate and blood pressure when starting or stopping escitalopram.
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 Escitalopram
- Cisapride + Escitalopram Contraindicated
- Citalopram + Escitalopram Contraindicated
- Escitalopram + Isocarboxazid Contraindicated
- Escitalopram + Methylene blue Contraindicated
- Escitalopram + Phenelzine Contraindicated
- Escitalopram + Pimozide Contraindicated
Frequently asked questions
Can I take Escitalopram with Penbutolol?
MediHelp rates the interaction as minor. Escitalopram and Penbutolol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Escitalopram weakly inhibits CYP2D6, which could modestly raise some beta-blocker concentrations. The clinical relevance for penbutolol is uncertain and likely small.
How serious is the interaction between Escitalopram and Penbutolol?
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 generally needed. Monitor heart rate and blood pressure when starting or stopping escitalopram.
What other medicines interact with Escitalopram?
MediHelp also lists interactions of Escitalopram with, for example, Cisapride, Citalopram, Isocarboxazid. The full list is on the Escitalopram page.
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