Drug interactions
Candesartan-hydrochlorothiazide + Penbutolol
Severity: Minor
Candesartan-hydrochlorothiazide 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
Penbutolol is a beta-blocker and adds to the blood pressure lowering of candesartan-hydrochlorothiazide. This combination is commonly used intentionally, but excessive hypotension or bradycardia may occur, especially at initiation.
What this interaction means in plain words
Candesartan-hydrochlorothiazide 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
Additive antihypertensive effect through beta-adrenergic blockade combined with angiotensin receptor blockade and diuresis.
What to do
Monitor blood pressure and heart rate when starting or adjusting doses, and titrate gradually.
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 Candesartan-hydrochlorothiazide and Penbutolol, 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 14 days on the web. No card needed.
Other interactions of Candesartan-hydrochlorothiazide
- Aliskiren + Candesartan-hydrochlorothiazide Contraindicated
- Candesartan-hydrochlorothiazide + Dofetilide Contraindicated
- Candesartan-hydrochlorothiazide + Sparsentan Contraindicated
- Acemetacin + Candesartan-hydrochlorothiazide Major
- Amifostine + Candesartan-hydrochlorothiazide Major
- Amiloride + Candesartan-hydrochlorothiazide Major
Frequently asked questions
Can I take Candesartan-hydrochlorothiazide with Penbutolol?
MediHelp rates the interaction as minor. Candesartan-hydrochlorothiazide 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. Penbutolol is a beta-blocker and adds to the blood pressure lowering of candesartan-hydrochlorothiazide. This combination is commonly used intentionally, but excessive hypotension or bradycardia may occur, especially at initiation.
How serious is the interaction between Candesartan-hydrochlorothiazide 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: Monitor blood pressure and heart rate when starting or adjusting doses, and titrate gradually.
What other medicines interact with Candesartan-hydrochlorothiazide?
MediHelp also lists interactions of Candesartan-hydrochlorothiazide with, for example, Aliskiren, Dofetilide, Sparsentan. The full list is on the Candesartan-hydrochlorothiazide 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.
