Drug interactions
Diltiazem + Glecaprevir / pibrentasvir
Severity: Minor
Diltiazem and Glecaprevir / pibrentasvir: 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
Glecaprevir and pibrentasvir inhibit P-glycoprotein and may modestly increase diltiazem exposure. The clinical effect is likely small but may enhance bradycardia or hypotension.
What this interaction means in plain words
Diltiazem and Glecaprevir / pibrentasvir 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
P-glycoprotein inhibition by glecaprevir and pibrentasvir may increase diltiazem absorption.
What to do
No empirical dose change is needed; monitor heart rate and blood pressure during the HCV treatment course.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Diltiazem and Glecaprevir / pibrentasvir, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Diltiazem
- Diltiazem + Flibanserin Contraindicated
- Diltiazem + Ivabradine Contraindicated
- Diltiazem + Lomitapide Contraindicated
- Diltiazem + Lonafarnib Contraindicated
- Acebutolol + Diltiazem Major
- Alfentanil + Diltiazem Major
Frequently asked questions
Can I take Diltiazem with Glecaprevir / pibrentasvir?
MediHelp rates the interaction as minor. Diltiazem and Glecaprevir / pibrentasvir have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Glecaprevir and pibrentasvir inhibit P-glycoprotein and may modestly increase diltiazem exposure. The clinical effect is likely small but may enhance bradycardia or hypotension.
How serious is the interaction between Diltiazem and Glecaprevir / pibrentasvir?
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 empirical dose change is needed; monitor heart rate and blood pressure during the HCV treatment course.
What other medicines interact with Diltiazem?
MediHelp also lists interactions of Diltiazem with, for example, Flibanserin, Ivabradine, Lomitapide. The full list is on the Diltiazem page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
