Drug interactions
Atenolol-chlorthalidone + Glycopyrronium
Severity: Minor
Atenolol-chlorthalidone and Glycopyrronium: 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
Anticholinergics such as glycopyrrolate slow gastrointestinal motility and may modestly increase absorption of atenolol. The clinical effect is generally small, but heart rate and blood pressure may be somewhat lower.
What this interaction means in plain words
Atenolol-chlorthalidone and Glycopyrronium have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Atenolol-chlorthalidone belongs to Cardiovascular; Glycopyrronium belongs to Respiratory.
Why it happens
Delayed gastric emptying and slower intestinal transit may increase atenolol absorption.
What to do
No routine action is needed; monitor heart rate and blood pressure if glycopyrrolate is started.
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 Atenolol-chlorthalidone and Glycopyrronium, 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 Atenolol-chlorthalidone
Other interactions of Glycopyrronium
- Clozapine + Glycopyrronium Major
- Glycopyrronium + Potassium chloride Major
- Abobotulinumtoxina + Glycopyrronium Moderate
- Aclidinium + Glycopyrronium Moderate
- Amantadine + Glycopyrronium Moderate
- Amitriptyline + Glycopyrronium Moderate
Frequently asked questions
Can I take Atenolol-chlorthalidone with Glycopyrronium?
MediHelp rates the interaction as minor. Atenolol-chlorthalidone and Glycopyrronium have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Anticholinergics such as glycopyrrolate slow gastrointestinal motility and may modestly increase absorption of atenolol. The clinical effect is generally small, but heart rate and blood pressure may be somewhat lower.
How serious is the interaction between Atenolol-chlorthalidone and Glycopyrronium?
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 routine action is needed; monitor heart rate and blood pressure if glycopyrrolate is started.
What other medicines interact with Atenolol-chlorthalidone?
MediHelp also lists interactions of Atenolol-chlorthalidone with, for example, Acebutolol, Aldesleukin, Amiodarone. The full list is on the Atenolol-chlorthalidone 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.
