Drug interactions
Penbutolol + Potassium citrate
Severity: Minor
Penbutolol and Potassium citrate: 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
Nonselective beta-blockers such as penbutolol impair cellular potassium uptake and can slightly raise serum potassium. Combined with potassium citrate, this may modestly increase hyperkalemia risk, mainly with renal impairment.
What this interaction means in plain words
Penbutolol and Potassium citrate 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
Beta-2 blockade reduces Na+/K+-ATPase-driven cellular potassium uptake, adding to the potassium load.
What to do
Monitor serum potassium in patients with renal impairment or diabetes or those taking other potassium-raising drugs.
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 Penbutolol and Potassium citrate, 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 Potassium citrate
Frequently asked questions
Can I take Penbutolol with Potassium citrate?
MediHelp rates the interaction as minor. Penbutolol and Potassium citrate have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Nonselective beta-blockers such as penbutolol impair cellular potassium uptake and can slightly raise serum potassium. Combined with potassium citrate, this may modestly increase hyperkalemia risk, mainly with renal impairment.
How serious is the interaction between Penbutolol and Potassium citrate?
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 serum potassium in patients with renal impairment or diabetes or those taking other potassium-raising drugs.
What other medicines interact with Potassium citrate?
MediHelp also lists interactions of Potassium citrate with, for example, Triamterene, Amiloride, Amlodipine-benazepril. The full list is on the Potassium citrate 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.
